Doctor insights on:
When Is My Baby Due Based On Conception Date
My due date is 3/13/16 based on my last period and 3/8/16 based on my 20 week ultrasound. When did conception most likely occur?
Approx. Feb, 13: With an EDC of 11/6/14 and normal 28 day cycles, LMP would have been around 1/30/14, pregnancy today (8/8/14) is at 27 weeks gestational age, or 189 days, fetus is approximately 14.41 inches long, and weighs approx 1.93 lbs (875 grams). Congrats!! Remember, 2/13 conception date is plus or minus 3-4 days (viability of sperm and irregularity of ovulation can change the above). ...Read more
How many times ahve : You asked about your conception date, please ask all future questions to your OB doc since I am sure u must have one since u are 28 weeks gestation now , and I have already answered your question at least 2 or 3 other times and u keep changing the dates , it is tyour ob's job to tell u when u are due, so call or see your OB tomorrow to discuss this just like I do with all of my patients. ...Read moreSee 1 more doctor answer
Ultrasound dates use gestation age which is based on LMP not on conception correct ? So i couldn't have gotten pregnant before the date that was given
Maybe: EDD are based on 40 weeks from last known normal menstrual period, or 38 weeks from known conception date.U/S dating is based on a database of average fetal anatomic measurements (size of head, abdomen, leg etc) for a particular age.The computer in the ultrasound machine calculates an EDD based on the average of these measurements. In the first trimester, U/S dates are accurate within 5-7 days ...Read more
October 8th: 10/8/14 would be your due date.Get a more detailed answer ›
If my estimated conception date is december 6 based on early sonogram what is the likelihood of it being from sex on november 29th unlikely right?
Depends: Ultrasound performed at 7-10 weeks is supposedly accurate to within 3 days. The later the ultrasound, the less accurate it is. If ultrasound done at 15 weeks, it can be more than a week off in determining gestational age. If you had a transvaginal ultrasound at 7-10 weeks and it gave you a conception date of dec. 6, you very likely conceived between dec. 3 and dec. 9. At 15 weeks, nov. 29-dec 14. ...Read more
Probably: The conception date should be about 2 weeks after the first day of the last period. The best way to know if that is accurate is with an early (less than 20 weeks) ultrasound. ...Read more
Not really: If - "if" - you knew for certain when implantation occurs you could figure out a due date based on this. Even with ivf cycles we don't "know" the implantation date, we calculate based on egg retrieval/embryo transfer dates. "implantation bleeding" is mostly nonsense and should not be relied on. ...Read more
EDC Feb 5, 2013: If you have perfect 28 day cycles & conceived 14 days prior to your next expected cycle; your due date would be 2/5/2013 & your lmp would have started around 5/1/2012. Your 2nd trimester started 7/31/12 and today (11-1-12) you are approximately 26 weeks & 2 days or 184 days & your infant would weigh approximately 1.68 pounds (760 grams). Take care. ...Read more
My due date is sep 11, putting conception between dec 14-19. If the due date is accurate, how possible is it that conception occurred after the 19?
Conception: Only you can answer this question. Only you know when your last menstrual period was. You can confirm nearly every single piece of information about your pregnancy on the internet. Conception calculators are a good place to start. For your due date conception occurred 12/19/2013. Here is the calculator I use: http://www.babymed.com/pregnancy-due-date-calculator ...Read more
I am pregnant. According to the 6 week ultrasound, my due date is august 29th and according to the 12 week ultrasound, my due date is august 30th. My LMP was on november 18th. What could be the conception date range?
My baby's due date was the 3rd of February 2014 and was born on her due date what dates did I get pregnant. my LMP was unknown.
5/13/13: Based on your estimated delivery date, your conception date was 5/13/13. ...Read more
I'm 13weeks and 6days pregnant my LMP was around the 28th(estimate ) of november. My due date is 9/10/14. Could my conception date be dec19? (sex)
Calculator : Use a reverse due date calculator for free online and this will be easy for you to find out. Simply type in your due date and the conception date will be calculated for you. ...Read more
If my estimated conception date is june 19th based on the sonogram due date, what is the likelihood of that being a result of sex on june 9th?
My due date was 30th march 2013. When is it likely i conceived? Also, is the conception date the day that you have intercourse?
Check calendar: There are conception date calendar calculators on the internet. The link below is one. It also answers your question about the conception date re: intercourse. http://www.baby2see.com/conception_calculator.html#conceptioncalculator. ...Read more
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