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Doctor insights on: Given Due Date

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My last period was march 13 2015 cycle of 31.i took a plan b on march 26. I had an ultasound monday im said too be 8 weeks i. Given due date of dec 18 2015. When did i concive?

My last period was march 13 2015 cycle of 31.i took a plan b on march 26.  I had an ultasound monday im said too be 8 weeks i. Given due date of dec 18 2015. When did i concive?

Conception date: Generally women ovulate about a week after the last day of their period. However, if your periods were not regular prior to conception, then your ovulation timing may be different. Based on your due date and first day of your last menstrual period, you likely ovulated around March 27th, and conceived between March 23rd-31st. Again, this is based on a 28 day cycle. ...Read more

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I was given a due date of july 12th could my baby be born a month early?

I was given a due date of july 12th could my baby be born a month early?

Yes,but: You don't want baby to come that early.If you think you are having signs of early labor you need to contact your OB and discuss it. Babies at 36 wks have a significant risk of premature lung disease that declines every additional day you stay pregnant. Early recognition of premature labor allows the OB a chance to stop it with meds. ...Read more

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I had my 1st u/s done on 6/25/12 & i was 9 weeks & 6 days given a due date of 1/22/13, not sure of my lmp. After 6wks the fetus double in size?

I had my 1st u/s done on 6/25/12 & i was 9 weeks & 6 days given a due date of 1/22/13, not sure of my lmp. After 6wks the fetus double in size?

May 1st conception: Usually when people ask this question, they're interested in when conception happened. Based on the ultrasound due date, the conception was somewhere between april 24th and may 8th. The LMP may vary from woman to woman but with a normal 28 day cycle, it would have been april 17th. ...Read more

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Lmp was 4/27. After first u/s on 6/23 i was given a due date of 2/17. On 8/12 i was given 2/5 as my dd. when was conception? Can this be late ovulatio

Lmp was 4/27. After first u/s on 6/23 i was given a due date of 2/17. On 8/12 i was given 2/5 as my dd. when was conception? Can this be late ovulatio

First ultrasound: It seems that your first ultrasound is likely your best one, thus the due date of 2/17 would be the most accurate. 2 months later, the ultrasound is going to be less accurate, so unless your doctor actually changed your due date to 2/5, your 2/17 EDD is likely still the best one. Based on that, likely "approximate" conception date was around 5/27/14. ...Read more

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5wk 4 day ultrasound vaginally, given the due date january 15th. Is that due date accurate? Given conceiving date 4-19/ 4-25.

5wk 4 day ultrasound vaginally, given the due date january 15th. Is that due date accurate?  Given conceiving date 4-19/ 4-25.

Yes: Those numbers sound fine. Life is not exact, so all numbers are estimates. Those numbers match up fine. Most babies are not born exactly on their due dates. ...Read more

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I had an ultra sound at 20 weeks and was given a due date of 9/6/13. I had sex with someone on 11/23/12 and 12/13/12, who is the father?

I had an ultra sound at 20 weeks and was given a due date of 9/6/13. I had sex with someone on 11/23/12 and 12/13/12, who is the father?

Estimate: Using conception calculator : conception date was likely between dec-12-2012 & dec-17-2012. With 14 december being the most likely day. So it was more likely to be the second man. ...Read more

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If a woman' was given the due date of June 28, is it possible to have conceived oct 14-15? Pregnancy was confirmed dec 3, and scans a few wks later...

If a woman' was given the due date of June 28, is it possible to have conceived oct 14-15? Pregnancy was confirmed dec 3, and scans a few wks later...

Depends: If you cycle length is more like 35 days then yes. But based of typical 28-30 day cycle its more likely around Sept 5th. If any question because of more than one partner, please get paternity testing done. ...Read more

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I was given my due date (Aug 8th) and conception date (Nov 15th) at 18 weeks when I found out I was pregnant. How accurate would my conception date be?

I was given my due date (Aug 8th) and conception date (Nov 15th) at 18 weeks when I found out I was pregnant. How accurate would my conception date be?

Conception: It has to be as accurate as they can make it. There is very little leeway now. You can always verify every thing about your pregnancy on the internet. All the tools you need are at your fingertips. You may want to check out conception calculators. Here is the one I use: http://www.babymed.com/pregnancy-due-date-calculator. ...Read more

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Hi, i was given first a due date of august 30, 2013 later changed to august 26, 2013. What was the conception window? Thank you in advance!

Hi, i was given first a due date of 
august 30, 2013 later changed to august 26, 2013. What was the conception window? Thank you in advance!

You should really di: Discuss that with your OB as that is a basic ? That i discuss with all of my OB pts if u are due 8/26 and you have 28 day cycles then u would have conceived dec 1 if due 8/30 then you would have conceived 4 days later. ...Read more

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Does zooming in on an ultrasound affect the due date given ? And can a 7 week fetus be mistaken door a 9 week fetus ?

Does zooming in on an ultrasound affect the due date given ? And can a 7 week fetus be mistaken door a 9 week fetus ?

No: Zooming in does not affect measurements, the machine accounts for the zooming in. Ultrasound dates based on measurement. It is the most accurate way to date a pregnancy if done in first trimester. ...Read more

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I am 33 weeks 4 days pregnant, the dr has given me a due date of april 17, 2013 based on ultrasound. When is the most probable day/days of conception?

Subtract 2 weeks: When "calculating" this, we assume a 28 day cycle with ovulation on day 14. So obviously, it is just an estimate. To get approximate conception date, subtract 2 weeks from your current gestational age. That will then be how many weeks ago you conceived. So in your case, your date of conception is approximately 31 weeks 4 days ago. ...Read more

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27w 4d pregnant, due date given first trimester march5th secound feb24th which is more reliable? And what would conception date be and current months?

27w 4d pregnant, due date given first trimester march5th secound feb24th which is more reliable? And what would conception date be and current months?

The 8-11 week scan: A prenatal ultrasound that gives a gestational age of 8-11 weeks is the reliable one for dating, which then brings up the question: when during the first trimester was the scan done? ...Read more

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How accurate is a transabdominal ultrasound done at 13 weeks pregnancy? Due date given was june 16th 2013 so when did i conceive?

How accurate is a transabdominal ultrasound done at 13 weeks pregnancy? Due date given was june 16th 2013 so when did i conceive?

11 weeks before: If the scan said you were 13 weeks that day, then 11 weeks before that day in general would be time of conception. ...Read more

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How does a dr predict due date if not given LMP?

How does a dr predict due date if not given LMP?

Ultrasound: One way is ultrasound. From measurements of the gestational sac and then the fetus, an estimated gestational age can be calculated. ...Read more

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Why hasn't my wife given birth yet if she's past her due date?

Why hasn't my wife given birth yet if she's past her due date?

An Estimate: A due date is only an estimation. Labor is brought on by a complex interaction of hormones and other factors between the baby and the mother that are impossible to predict at this point. Labor doesn't care about the calendar but most deliveries will occur by 42 weeks. Your Ob may recommend inducing labor artificially if things drag on too long. Best wishes! ...Read more

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I'm curious, when a due date is given, it infers a date of fertilization, correct?

Yes: Yes it infers or suggests a conception date; but this is only an estimate from working backwards. No one should take that as anything more than a good guess. ...Read more

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Conception would not be able to occur on 11/10/12 if the LMP was given as 10/15/12 and an estimated due date of 7/22/13 right?

Conception would not be able to occur on 11/10/12 if the LMP was given as 10/15/12 and an estimated due date of 7/22/13 right?

End of October: Given the dates you describe, the probable dates of conception are around the 29th-30th of october. ...Read more

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Dont know lmp... First ultrasound was given to me 10/22/13 it read 8w5days and due date was 06/02/14 now due date is 05/30/14 which is correct?

Dont know lmp... First ultrasound was given to me 10/22/13 it read 8w5days and due date was 06/02/14 now due date is 05/30/14 which is correct?

Similar: First, only 5% of women deliver on their given due date. Secondly, those 2 dates are so close, it's impossible to say that one is more accurate than another. I usually say that the earlier ultrasounds are more accurate than the later ones. But it depends upon the sonographer and the resolution of the machine. Generally first trimester scans are +/- 7 days. And 2nd tri scans are +/- 14 days. ...Read more

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Was given an early dating ultrasound due to paternity that showed due date of Oct 10. Is there any chance I could've conceived dec 23?

Impossible: You did not get pregnant before your last menstrual period. You got pregnant in January. Remember a pregnancy lasts forty weeks from the last menstrual period. Your questionable date is way beyond that natural limit. You conceived this child 1/17/2014 from sex sometime on 1/12/2014 to 1/17'2014. You can verity this here: http://www.babymed.com/pregnancy-due-date-calculator. ...Read more

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I was given two due dates, Oct. 31 & Nov. 4, depending on those dates is there any way I could have gotten pregnant Febuary 17 or anytime after?

I was given two due dates, Oct. 31 & Nov. 4, depending on those dates is there any way I could have gotten pregnant Febuary 17 or anytime after?

What are those dates: based on? Last period? Ultrasound (if so, what trimester?) The dates you have given suggest that Feb 10 is the latest you could've gotten pregnant, and likely earlier - but without knowing the accuracy of the EDD that could be off by a few weeks still. ...Read more

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Hello I was given two different due dates from two different obgyn. One told me lmp was on nov 15 another told me nov 21. Would this make a difference?

Hello I was given two different due dates from two different obgyn. One told me lmp was on nov 15 another told me nov 21. Would this make a difference?

Not really: All pregnancy dates are estimates, except that the conception date is known in an IVF baby (conceived in the lab). Pregnancy dating estimates have a range of plus or minus one week... which means November 15 and November 21 are "the same date" as those days are less than a week apart. ...Read more

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Lmp was 4-27. I was given 2 due dates...2/17 on june 23 & 2/5 given on 8/12. What is my likely conception date range? Late ovulation?

Lmp was 4-27. I was given 2 due dates...2/17 on june 23 & 2/5 given on 8/12. What is my likely conception date range? Late ovulation?

By dates 5/2: I am not sure what the 1st due date was based on because by your dates (LMP) you would be due on 2/5 or 2/6. If the 1st due date was based on an ultrasound it is very reliable that early.Conception probably occured between 5/6 and 5/17. ...Read more

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Does the maternity leave period include the time given by the Dr to rest for a week or 2 before delivery date?

Does the maternity leave period include the time given by the Dr to rest for a week or 2 before delivery date?

Depends on employer: You need to contact your Human Resources department at your employer as paid time off policies vary based upon years of employment and job classification status. ...Read more

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