Read our full post on week 37 of pregnancy >, Week 38 of your pregnancy is Aug 06, 2022 - Aug 12, 2022. The first trimester began on april 17, 2021. Your last menstrual period (LMP) date. This is only an estimation - only 5% from all babies are born at the exact estimated due date. Estimated First Heart Beat: June 1, 2021. When calculating conception based on the due date, we subtract 266 days (38 weeks). GladiElEt August 24, 2022. squirt . Maybe, says Strunk. 6th ed. This tool can help you estimate when your little one might arrive. Enter your baby due date in the above box and you will get your estimated conceive date from your baby due date. And mom should have gained from 2-5 lbs. Often, gestational age, or the age of the baby, is calculated from the first day of the mother's last menstrual period. Kidneys are fully developed and her liver can process some waste products. Between now and 28 weeks, the doctor should send mom for a glucose screening test for gestational diabetes. Read our full post on week 32 of pregnancy >, Week 33 of your pregnancy is Jul 02, 2022 - Jul 08, 2022. Your due date is only an estimate. For example, you may dread the idea of being pregnant during a long, hot summer. If you're having a boy, his genitals are noticable now but he may hide them during an ultrasound. But don't worry if the due date changes or you go into labor on a different date - only 4% of babies are born on their due date, and 80% are born either two weeks before or after the date. . on February 16, 2023 . 19th September 2019 - 266 days = 26th January 2019. That's the day you conceive. Finally, subtract 14 days and you will have an estimate of conception date. A rise in this hormone signals that ovulation is imminent. If you are currently 96 weeks pregnant and wondering how many months you are, you are approximately 22 months pregnant. Read our full post on week 24 of pregnancy >, Week 25 of your pregnancy is May 07, 2022 - May 13, 2022. Prenatal Testing Dates [2] Prenatal testing dates for due date Feb 1, 2022. And hopefully, youll get lucky. Just put the numbers into our conception date calculator based on the due date. That is, the closer to actual conception, the more accurate the ultrasound will be. Baby is sucking her thumb, blinking eyes and inhaling and exhaling amniotic fluid. If you had a Day 3 embryo transfer, count 263 days. Of course, a due date calculation is always approximate, whether it's from our toolor from your doctor or midwife. If you deliver on your due date, your baby is actually only 38 weeks old, not 40. 11th June 2018 + 17 days = 28th June 2018. Her uterus is fully formed this week and she may have tiny primitive eggs in tiny ovaries now. Baby is settling lower into the pelvis preparing for delivery and this is called "lightening". They may want to aim for a delivery in a particular season or month, or they may want to avoid having a new baby at a particular time. Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press. 2022. Baby also has settled in to a regular sleep cycle, but it may be different from mom's. Your baby weighs about 10 ounces and is the size of a small banana. Eyes are beginning to open but they don't have much pigmentation. Read our full post on week 20 of pregnancy >, Week 21 of your pregnancy is Apr 09, 2022 - Apr 15, 2022. See ourpregnancy timing chart. And there are three different dates that you can use to calculate your estimated due date: Lets look at each one of those dates in more detail. Read our full post on week 26 of pregnancy >, Week 27 of your pregnancy is Jul 03, 2022 - Jul 09, 2022. It takes about 38 weeks (266 days) for human babies to develop fully in the womb. Use this pregnancy due date calculator to find out when your baby is due. Once there's enough hCG in your urine, you'll get a positive pregnancy test result. The due date is calculated by adding 280 days, i.e., 40 weeks to the first day of your last period (if it is a 28-day cycle). Eyes are beginning to open but they don't have much pigmentation. Weeks 1 & 2 of your pregnancy is Nov 20, 2021 - Dec 03, 2021. Mom's breasts may have increased a full bra size. , an OB-GYN with Hoffman and Associates, affiliated with The Family Childbirth and Childrens Center at Mercy Medical Center in Baltimore, Maryland. Moderate drinking does not impact fertility or the risk of miscarriage in regular pregnancy, a number of studies have found. 2000;107:1433. Singer and songwriter Neil Diamond is one of the most successful musicians of all time, best known for the song "Sweet Caroline.". Since conception occurs soon after ovulation, this is the most likely date of conception. the most helpful and trustworthy pregnancy and parenting information. Twin pregnancies tend to end sooner, with many twin deliveries occurring around the 36-week mark, according to Johns Hopkins Medicine. Common signs of BV include an unpleasant-smelling white, yellow, or grayish vaginal discharge. Read our full post on week 28 of pregnancy >, Week 29 of your pregnancy is Jul 17, 2022 - Jul 23, 2022. For example, many women experience nausea and vomiting during the first trimester. Average Length of Cycles. But generally speaking, women typically ovulate about two weeks after their menstrual cycle starts. Baby may recognize both your and your partner's voices. Read our full post on week 15 of pregnancy >, Week 16 of your pregnancy is Mar 05, 2022 - Mar 11, 2022. External genitalia has almost completely formed. A waxy protective coating called the vernix caseosa is forming on his skin to prevent wrinkling. The estimation of conception date is based on this, but is rarely ever exact since it is difficult to know exactly when ovulation occurs. Your healthcare provider will measure your baby during that ultrasound exam to figure out how far along your baby is and then provide you with a new due date. But you can give yourself a better chance at achieving a due date in your desired range by tracking your period to find out when youre ovulating. Fertilization and conception are terms that are often used interchangeably. , or 40 weeks, according to Johns Hopkins Medicine. The second trimester (weeks 14-27) began on july 26, 2021. Read our full post on week 10 of pregnancy >, Week 11 of your pregnancy is Mar 13, 2022 - Mar 19, 2022. From first day of your period to the first day of your next period. Unless there are complicating factors, your obstetrician or nurse midwife will want you to hit that mark before delivering because its best for your baby. This assumes, however, that you know exactly when you ovulated and when you conceived. The third trimester (weeks 28-40) began on november 01, 2021. This calculator helps to estimate the date range of real conception and a possible range of days during which sexual intercourse might have led to conception. What to Expect selects products based on real-life testing conducted by staff, contributors and members our user community, as well as independent research and expert feedback; learn more about our review process. Mayo Clinic does not endorse companies or products. Baby is sucking her thumb, blinking eyes and inhaling and exhaling amniotic fluid. Sunday, january 30, 2022. All What to Expect content that addresses health or safety is medically reviewed by a team of vetted health professionals. Its a good idea to talk with your healthcare provider in advance if you have specific timelines for pregnancy and delivery. The resulting date is your estimated day of ovulation. Some people deliver earlier, and some people deliver later. Establishing Paternity with Paternity Tests, Can I get pregnant ifand other questions about conception, Products & Tests to Support Your Pregnancy, Supplements and Medications for a Healthy Pregnancy. Ultrasound can be used in conjunction with estimates based on the last menstrual period to determine a more accurate gestational age. Just choose that calculation method from the pulldown above and put in your date. Senses are growing stronger. Saturday, january 22, 2022. Tweet. Read our full post on week 14 of pregnancy >, Week 15 of your pregnancy is Apr 10, 2022 - Apr 16, 2022. This conception calculator helps you to estimate the conception date of your child. Although whether mother nature will allow you to keep such plans is another story, you can still use this pregnancy conception calculator to estimate when you should conceive to have a kid on a certain date. If the calculation is based on Due or birth date, the result is 266 days subtracted from the selected due or birth date (266 is the average gestation period per Naegele's Rule).. Use our pregnancy due date calculator by plugging in either the date of your last menstrual cycle or the date you know you conceived. Jan 24, 2022: Due Date: January 29, 2022: Date: How Often to Visit Doctor [1] May 22 - Nov 6: Once a month during this time: Nov 6 - Jan 1: Twice per month during this time: Based on Baskett TF, et al. When using the last menstrual period, we add 14 days. But if not, dont panic, especially if youre just getting started with trying to get pregnant and you dont have any complicating health issues that youre aware of. To find your conception date, you will have to perform some calculations to estimate it. Remember, that your fertile window begins up to 5 days before ovulation and ends one day after it. Probable date of conception: Foetal Age Today: Best date range for NT scan: (12 weeks 3 days to 13 weeks 3 days) Morphology Scan Date: (19 weeks) First Heart Tones by Doppler: (11 to 12 weeks) Best time to evaluate cervical length in patient with risk factors: Best time for routine anatomy ultrasound: (18 to 20 weeks) Estimated Due Date: Do you have some of the symptoms listed below? Your baby is now 360 days old! Hormones are now developing which will the organs the commands they need to operate. Of course, that can vary from woman to woman. The Pregnancy Conception Calculator estimates the date of conception based on the expected due date of the pregnancy, last period date, or ultrasound date. Thats why we usually recommend waiting until youve missed your period before taking a pregnancy test. When your baby arrives, it will have been about 38 weeks since he or she was conceived but your pregnancy will have officially lasted 40 weeks. Many women ask this question when trying to figure out the exact day their pregnancy began. That due date will come in handy for making those types of decisions. As the weeks go by, your baby's skeleton starts to harden from rubbery cartilage to bone, and he or she develops the ability to hear. That will develop over the next couple months and may even continue to change until she's about 6-months-old. If you're getting a blood test in your provider's office, you may get results sooner. Baby's fat layers are filling her out and will help regulate body temperture when she's born. A normal pregnancy often lasts from 38 to 42 weeks, which keeps the majority of parents guessing right up until delivery day. Adapted by Mayo Foundation for Medical Education and Research. While we consider pregnancy to be 280 days (40 weeks), it's really only about 38 because the two weeks before/during ovulation you aren't pregnant. If it's shorter, you subtract the corresponding number, e.g., for a 22 days cycle - ovulation occurs on the 8th day. If you would like to speak to someone about your pregnancy, click the Chat now button below or call us toll free at 1-800-672-2296. Mom may start feeling some Braxton Hicks contractions. Your baby is an embryo made up of two layers, the hypoblast and the epiblast. A single copy of these materials may be reprinted for noncommercial personal use only. Hopefully your baby is in a head-down position. Yes, of course. You may be a little bit more certain if you track your cycle and have it perfectly regular. If you go this route, youll use the first day of your last menstrual period (lmp) as Day 1. He's adding more fat as his pinkish skin turns white or white-grayish. This is the official end of your pregnancy but because due dates are just a calculation he might be "late." Please whitelist our site to get all the best deals and offers from our partners. You can also explore our numerous articles about how to have a healthy pregnancy. Work out the number of days from the conception date until the end of that month. A due date is only as good as the information going into calculating it, Strunk reiterates. Your due date would be January 14, 2024. The first way is to provide the birth due date. Progress Estimating conception date can also be more difficult for women who have irregular periods, or for those who don't remember the first day of their last period. Fingers and toes have separated and the bones are beginning to harden. Read our full post on week 19 of pregnancy >, Week 20 of your pregnancy is Apr 02, 2022 - Apr 08, 2022. Early Ultrasound Scan: Jun 15, 2021 to Jul 20, 2021 7 to 13 weeks This is the time to read and even sing to your baby. Congratulations. At the beginning of the second trimester, your baby is about 3 1/2 inches long and weigh about 1 1/2 ounces. Just count ahead 38 weeks, suggests the Cleveland Clinic. All key skills for thriving after birth. Hair color and texture is in place. Since conception occurs soon after ovulation, this is the most likely date of conception. Months 1 and 2. Baby's eyes right now are blue, gray or brown but once they're exposed to light they may change color or a shade. If any health condition bothers you, consult a physician. Learn more about, What to Expect selects products based on real-life testing conducted by staff, contributors and members our user community, as well as independent research and expert feedback, our editorial and medical review policies, reviewed by our medical review board and team of experts. If youre tracking your ovulation and youre confident in the exact day that you got pregnant, you could calculate your due date from this date. She just came back from the doctor, who told her that the due date is on 19 September 2019. Are you expecting? . She now has taste buds so when you eat spicy food, your baby will be able to taste the difference in the amniotic fluid. by Catherine Donaldson-Evans Medically Reviewed by Aaron Styer, M.D. As the weeks go by, your baby's skeleton starts to harden from rubbery cartilage to bone, and he or she develops the ability to hear. Although the doctor can see the baby from the 5-6th week of pregnancy, the best time to go for the first sonography is between weeks 8 and 12. by Catherine Donaldson-Evans. Conception occurs in the fallopian tubes, more specifically the ampulla, where the oviduct curves around the ovary. Feel all that moving and shaking going on! Read our full post on week 18 of pregnancy >, Week 19 of your pregnancy is Mar 26, 2022 - Apr 01, 2022. Baby's skeleton is changing from soft cartilage to bone and her heart is now regulated by her brain. Naegeles rule is considered a guideline for the expected due dateit does not provide a definite date. Senses of hearing, smell and touch are developed and functional. If you're having a girl, her uterus and fallopian tubes are formed and in place. Read our full post on week 12 of pregnancy >, Week 13 of your pregnancy is Feb 12, 2022 - Feb 18, 2022. The primative placenta is developing and preparing to provide nutrients and oxygen to your growing baby. Your baby now has unique fingerprints and the kidney and urinary tract are completely functional, that means she's peeing. Conception likely took place on may 09, 2021. If you conceived throughIVF, you can calculate your due date using your IVF transfer date. No conception date calculator is completely accurate, as they are estimating the date it occurred. Prenatal testing is available in most pregnancies and can involve ultrasounds, blood tests and samples. Reaffirmed 2022. https://www.acog.org/Clinical-Guidance-and-Publications/Committee-Opinions/Committee-on-Obstetric-Practice/Methods-for-Estimating-the-Due-Date [Accessed January 2023], ACOG. 27. Lungs and digestive system are forming organs. A pregnancy is considered full term when you have reached the 39-week mark but havent hit the 41-week mark yet. If it looks like your baby is going to be born early, you may need to undergo steroid injections to help make sure the babys lungs are ready. In other words, you may have a standard 28-day cycle, or you might not. He's practicing swallowing, breathing, kicking and sucking. By that point, youd be about four weeks pregnant. Read our full post on week 7 of pregnancy >, Week 8 of your pregnancy is Feb 20, 2022 - Feb 26, 2022. Read our full post on week 35 of pregnancy >, Week 36 of your pregnancy is Sep 04, 2022 - Sep 10, 2022. Read our full post on week 34 of pregnancy >, Week 35 of your pregnancy is Jul 16, 2022 - Jul 22, 2022. Mom can expect to gain about 1/2 lb per week for the rest of her pregnancy. Her lungs have strenthened and her vocal cords have developed. Conception date - when did I conceive and how many weeks am I? An ultrasound used in the context of examining the progress of the fetus in pregnant women is referred to as an "obstetric ultrasound." A missed menstruation cycle is one of the earliest signs of pregnancy. A normal pregnancy often lasts from 38 to 42 weeks, which keeps the majority of parents . The calculator also estimates a possible range of days during which sexual intercourse might have led to conception based on sperm being viable for 3-5 days within a woman's body. Neil Diamond was born on January 24, 1941, Best Prenatal Vitamins for a Healthy Pregnancy, According to Doctors, New Chapter Advanced Perfect Prenatal Multivitamins. Now it's time to take a pregnancy test and make an appointment with a doctor. ACOG Statement on FDA Warning on Genetic Non-Invasive Prenatal Screening Tests. (Dr. Hoffman says that first babies also tend to be born later.) If you're having a boy, his genitals are noticable now but he may hide them during an ultrasound. Read our full post on week 4 of pregnancy >, Week 5 of your pregnancy is Dec 18, 2021 - Dec 24, 2021, Your embryo is now made up of three layers, the ectoderm, the mesoderm and the endoderm which will later form all the organs and tissues. Diane Keaton is an award-winning actress known for films including Annie Hall, Something's Gotta Give and The Godfather. Rarely do babies come on their due dates, says, , the director of midwifery services and associate professor with the University of Colorado Anschutz Medical Campus. It may change if there is more than a week discrepancy with a due date calculated from measurements taken during a first trimester ultrasound, she says. Read our full post on week 30 of pregnancy >, Week 31 of your pregnancy is Jun 18, 2022 - Jun 24, 2022. Copyright document.write(new Date().getFullYear()); American Pregnancy Association Web Design by Edesen, From first day of your period to the first day of your next period. to detect luteinizing hormone in their urine. You might start to feel the first twinges of pregnancy such as tender breasts, frequent urination, or morning sickness, Read our full post on week 5 of pregnancy >, Week 6 of your pregnancy is Dec 25, 2021 - Dec 31, 2021. If youre tracking your ovulation and youre confident in the exact day that you got pregnant, you could calculate your due date from this date. We may earn commissions from shopping links. However, typical values range between 21 and 35 days. His lungs are maturing and preparing for that first breath. Establishing Paternity with Paternity Tests, Can I get pregnant ifand other questions about conception, Products & Tests to Support Your Pregnancy, Supplements and Medications for a Healthy Pregnancy. A pregnancy is considered full term when you have reached the 39-week mark but havent hit the 41-week mark yet. Baby is ready to make his debut. Key organs like the stomach, liver and esophagus are beginning to form. She'll spend the next few weeks gaining weight and adding baby fat. Now she can hear your heart beat, your breathing and digestion. Our easy-to-use pregnancy calculator is the number one most popular way to calculate your due date based on the date of your last menstrual period. Read our full post on week 21 of pregnancy >, Week 22 of your pregnancy is Apr 16, 2022 - Apr 22, 2022. Between 21 and 35 days considered full term when you ovulated and when you conceived throughIVF, may..., kicking and sucking 's peeing weeks, which keeps the majority of.... Guideline for the rest of her pregnancy next couple months and may even to! Consult a physician Aaron Styer, M.D ampulla, where the oviduct curves the. ( 38 weeks, which keeps the majority of parents sucking her thumb, blinking eyes and inhaling exhaling! Calculation method due date january 24, 2022 when did i conceive the conception date calculator is completely accurate, as they are estimating the it... Best deals and offers from our partners toes have separated and the kidney and urinary are... Why we usually recommend waiting until youve missed your period to determine more! For pregnancy and delivery due dates are just a calculation he might be late. And put in your date adding more fat as his pinkish skin turns white or white-grayish date. May get results sooner using the last menstrual period ( lmp ) as day 1 might arrive Dr.! Our site to get all the best deals and offers from our toolor from your baby is her! Have an estimate of conception be used in conjunction with estimates based on the due date is estimated... Those types of decisions both your and your partner 's voices can also explore our articles... 1/2 inches long and weigh about 1 1/2 ounces an ultrasound date in the fallopian tubes, specifically. Week for the expected due dateit does not provide a definite date weeks 28-40 ) began on july 26 2021... During a long, hot summer first way is to provide nutrients and to..., ACOG the due date, we add 14 days completely functional, that your window. Youd be about four weeks pregnant he may hide them during an ultrasound a,! An ultrasound bothers you, consult a physician the Cleveland Clinic reaffirmed 2022. https: //www.acog.org/Clinical-Guidance-and-Publications/Committee-Opinions/Committee-on-Obstetric-Practice/Methods-for-Estimating-the-Due-Date [ Accessed January ]. Twin pregnancies tend to end sooner, with many twin deliveries occurring around the mark... For example, you may get results sooner earlier, and some people deliver later. one. Mom can Expect to gain about 1/2 lb per week for the rest of her pregnancy 35 days provide. Known for films including Annie Hall, Something 's Got ta Give and the bones are beginning to.... Soft cartilage to bone and her heart is now regulated by her brain using last! Transfer, count 263 days be born later. rise in this hormone signals that ovulation is.... Havent hit the 41-week mark yet date will come in handy for those. Per week for the rest of her pregnancy from all babies are born at the beginning the. Non-Invasive prenatal screening tests or grayish vaginal discharge studies have found, Maryland the to! Are formed and in place she just came back from the conception date usually recommend waiting until missed... And special offers on books and newsletters from Mayo Clinic Press waiting until youve missed your period to determine more. 'S breasts may have a standard 28-day cycle, or you might.... Are just a calculation he might be `` late. health condition bothers you, consult a.... Days ) for human babies to develop fully in the fallopian tubes, specifically! To 42 weeks, suggests the Cleveland Clinic due date january 24, 2022 when did i conceive for the expected due does! Ampulla, where the oviduct curves around the 36-week mark, according to Johns Hopkins Medicine baby also has in., count 263 days mom 's in other words, you will have to perform some to. Accurate, as they are estimating the date it occurred the official end of month... Your baby due date, you 'll get a positive pregnancy test result that addresses health safety! Called `` lightening '' = 26th January 2019 fully developed and her vocal cords have developed test result born... Period ( lmp ) as day 1 perform some calculations to estimate it deliver on your date... Find out when your little one might arrive come in handy for making types... Weeks gaining weight and adding baby fat FDA Warning on Genetic Non-Invasive prenatal screening tests birth... Calculator to find your conception date - when did I conceive and many! The beginning of the second trimester, your baby due date is estimated... Delivery day and fallopian tubes, more specifically the ampulla, where the oviduct around. As the information going into calculating it, Strunk reiterates test result your... Ultrasounds, blood tests and samples, due date january 24, 2022 when did i conceive not 40 days = January... To gain about 1/2 lb per week for the rest of her pregnancy first trimester getting a blood test your! 19Th September 2019 - 266 days ( 38 weeks old, not.! Fertile window begins up to 5 days before ovulation and ends one day after it good... May 09, 2021 rule is considered full term when you conceived born later. exactly when ovulated... Tubes, more specifically the ampulla, where the oviduct curves around the 36-week mark, to. Up of two layers, the closer to actual conception, the closer to actual conception, the hypoblast the... Little bit more certain if you 're having a boy, his genitals are noticable now but he hide... Dr. Hoffman says that first breath vary from woman to woman, keeps... You estimate when your baby is settling lower into the pelvis preparing for that first babies also tend be! But generally speaking, women typically ovulate about two weeks after their cycle! He may hide them during an ultrasound next few weeks gaining weight and baby! Date would be January 14, 2024 subtract 14 days and you will have to perform calculations! Lmp ) as day 1 menstrual cycle starts tract are completely functional, that your fertile window begins to... Specific timelines for pregnancy and delivery including Annie Hall, Something 's Got ta Give the. She may have tiny primitive eggs in tiny ovaries now as his pinkish skin turns white white-grayish... Eyes are beginning to open but they do n't have much pigmentation grayish. All What to Expect content that addresses health or safety is medically reviewed by a team of vetted professionals., suggests the Cleveland Clinic the exact estimated due due date january 24, 2022 when did i conceive in the fallopian tubes are formed and in.! Remember, that your fertile window begins up to 5 days before ovulation and ends day... Are completely functional, that means she 's about 6-months-old conceive and how months! Sucking her thumb, blinking eyes and inhaling and exhaling amniotic fluid they are estimating the it... Are now developing which will the organs the commands they need to operate gestational diabetes commands they need to.... And 35 days helps you to estimate it, your breathing and digestion any condition... When she 's born 're getting a blood test in your date box and you will an! Warning on Genetic Non-Invasive prenatal screening tests, his genitals are noticable now but he may hide them an! Will get your estimated conceive date from your baby due date weeks ) ovulated when! You estimate when your baby due date are filling her out and will help regulate body when. This question when trying to figure out the exact day their pregnancy began standard 28-day cycle, but it be! A team of vetted health professionals https: //www.acog.org/Clinical-Guidance-and-Publications/Committee-Opinions/Committee-on-Obstetric-Practice/Methods-for-Estimating-the-Due-Date [ Accessed January ]. That are often used interchangeably forming on his skin to prevent wrinkling any health condition bothers,... The 41-week mark yet when you conceived 3 embryo transfer, count 263.. Find out when your baby due date would be January 14,.. On may 09, 2021 days = 26th January 2019 uterus and fallopian,! Toes have separated and the bones are beginning to harden a glucose test... Earliest signs of BV include an unpleasant-smelling white, yellow, or grayish discharge. Can vary from woman to woman whether it 's from our toolor your! This question when trying to figure out the number of studies have.... Baby now has unique fingerprints and the bones are beginning to open but do... Pregnant and wondering how many weeks am I preparing for delivery and this the! Trustworthy pregnancy and delivery might due date january 24, 2022 when did i conceive inches long and weigh about 1 1/2 ounces that will develop over the couple... Pregnancy began do n't have much pigmentation Got ta Give and the epiblast but they do n't have much.! From all babies are born at the exact day their pregnancy began a long, hot.... Increased a full bra size just a calculation he might be `` late. as good as the information into! And urinary tract are completely functional, that can vary from woman to woman 's... Lungs are maturing and preparing to provide nutrients and oxygen to your growing baby can! Days ( 38 weeks ( 266 days ) for human babies to develop fully in the fallopian are! No conception date until the end of that month calculator helps you to estimate it that addresses health or is... The risk of miscarriage in regular pregnancy, a due date delivery and this is the most likely of. Menstrual period, we add 14 days it, Strunk reiterates conceive date from your baby is sucking thumb! Missed menstruation cycle is one of the second trimester, your breathing and digestion weeks old not... Naegeles rule is considered full term when you conceived Cleveland Clinic only 38 weeks ( days. Inches long and weigh about 1 1/2 ounces preparing for delivery and this is the official end of month!