Doctor insights on:
How To Determine The Father By Conception Date
It's very embarrassing but I need help with my conception date because I can't figure out the father of my child. Please help?
If I go two weeks early does that mean my conception date was wrong and the other man could be the father of the baby?
I'm expecting a little boy February 6th. My lmp was May 2nd, making my conception date May 16th. I slept with my sons alleged father that exact day (the 16th). I had slept with another man on May 10th. What are the odds the man who I believe to be my sons
Odds don't matter: The brief interval between exposures make the question too close to call. There are significant legal burdens when dealing with parental rights and responsibilities. This one will take paternity testing to sort out the issue. The NIPP, a non-invasive test on a maternal blood sample can be done as early as 8 weeks and provides court level determination of paternity. ...Read more
My ultrasound 6wks out says conception date was January 15. Can I rule out the partner from jan 4 as the father?
No: First trimester US for dates are good but not perfect and every woman has a different cycle. +/- 2 weeks are fair game for conception ...Read more
If myo conception date is between may2/may10 but I had sex april22th is it's possible my ex the father or boyfriend?
Depends: To properly answer that question we'd need to know which person you had sex with on which date. However, if you had sex on 4/22, then no, it's not possible to conceive on 5/2 to 5/10. Conception is within 2-3 days of sex, max. You may need to consult your doc to get paternity testing done if the true date of conception is in question. ...Read more
Can someone be the father of a child born at full term on july 5, 2012, if the conception date was november 5/6, 2011?
Numbers don't work: The numbers don't work for a full term newborn @ 7/5/12 if the supposed conception date was 11/5-6/11. That would suggest a pre term baby not one at full term. Dna studies are the standard in questioned cases & most maternity hospitals have the information on available testing labs. The complexity of the study makes it difficult to do at most hospitals. ...Read more
If my conception date is between may6th/may10but I had sex wit my ex april22th is it possible he's the father or my boyfriend?
Likely the boyfriend: At this point to the bf as likely. The swimmers left by the ex were dead & gone the 14-18 days later you say you conceived. However, early dates are often only a rough estimate & may be modified after a prenatal ultrasound or other findings. The exposures were close enough that both could be the dad. Genetic testing may be needed to sort this out. ...Read moreSee 1 more doctor answer
Who could possibly be father if my conception date was march 4th and had sex with 2 different men within five day pd. Feb 29 and mar 4?
LMP was Oct.5th I had sex with guy A Oct.16 and I had sex with guy B Oct.18th. My conception date say Oct.19. who could be the father?
Paternity: In the scenario you describe, either one of these men could be the father. ...Read more
LMP was Oct.5th I had sex with guy #1 Oct.16 and I had sex with guy#2 Oct.18th. My conception date say Oct.19. who could be the father?
If my conception date is between may6th/may10 but I had sex wit ex april22th is he the father or boyfriend since sprem only lives in female body 3day?
Probably boyfriend: Sperm can live in a woman's reproductive tract for 7 days. Medical studies have shown that a woman can ovulate at any time during the month, including during her period. This is a rare occurence, but the only way to know for sure is to do a paternity test. ...Read moreSee 1 more doctor answer
Sex with a dude feb5 2011 and a dude march132011 conception date march12 could there be any way possible feb dude the father? Because I had a regular period feb26 2011
It: It is important to find out if the conception date given was back-dated from an ultrasound. Ultrasounds now are quite accurate for dating a pregnancy. Get the exact date of the fetus from your ultrasound and then you can back-track. It is not always exact however. You can also get a paternity test after delivery. ...Read more
Had sex with 2 men, one on jan 4 and the other a week or so later. The ultrasound says jan 15 was conception date. What are chances 1st man is father?
Good: Chances are 1 out of 2, but a definite possibility ...Read more
My ovulation date was August 11 and my conception date was August 13 I had sex on the August 7 and August 9 with my bf and August 8 and 12 with another partner me and my boyfriend was broke up at the time who do you think the possible father is PLEASE giv
Too close to call: That's too close to call. One should keep men 2-3 weeks apart in order to be able to predict who the father is, because the weeks of pregnancy, the differences in each man's sperm, the survival time of sperm in a woman, the ovulation day, and the conception day, are all estimates. (A simple way used over many centuries is: the father of the baby is the man she is married to.) ...Read more
I am due july 31 my lmp was oct 25-31 I had sex day1 of my cycle with guy a then on the 31st and so on with my bf who is the father? Conception date?
Hello. I need help determining who the father is. Dec 8 2014 was my lmp. According to the dr. My conception date would be Dec 22nd 2014. Partner A intercourse was on Dec 16 and partner B intercourse was on Dec 24. My due date is Sep 14 2015. Although par
Close call: The due date is from LMP, do you also have ultrasound dating - and does it match? This is a very tough call because estimated conception falls in between the 2 partners. MORE likely based on info you gave partner A is the father, but if dating is off by as much as 3-4 days it "could" still be B. Do you have more dating info from early ultrasounds? Might help. BTW your sex is listed as male? ...Read more
How can a conception date be determined if it is possible to still conceive in the first 2 weeks of gestational age?
Why do some docs say that the accuracy of conception date determined by trans u/s depend if I have a reg 28 day cycle and some say that it doesnt?
Confusing-ask doctor: Conception does not necessarily occur on the same day you have sex, so the most accurate date is a known last period. A woman's cycles can be 21-35 days apart, and ovulation occurs on day 7-9 on shorter cycles, around day 14-16 for the "classic" 28 day cycle or day 18-21 for the longer cycle. Us dating assumes the average cycle, so a 7 week pregnancy would indicate conception about 5 weeks ago. ...Read more
If someone had early ultrasound at six weeks determined conception date to be december 6, 2012 is that date accurate and how many days can it be off?
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