Dating for conception

Because sperm can live for 3 to 5 days in a woman's reproductive tract, it is possible to become pregnant if intercourse occurs several days before ovulation.You can use the conception calculator to get an idea of around when you conceived.The only way to be certain of paternity is to have a paternity test done.The Pregnancy Conception Calculator estimates the date of conception based on the expected due date of the pregnancy.You shouldn't be embarrased to discuss this with your doctor.

If you are unsure of who the baby's father is, now really is the time to sort it out.You do not know the exact date that you ovulated, so it is possible that both men's sperm were inside your body at the same time.If that were the case there is not any way to even guess which man's sperm caused the pregnancy.Early ultrasound (between 7-12 weeks) is the most accurate and you can work backwards and find a 3-5 day window where you most likely conceived. So, when an ultrasound scan gives a date of 7/24 as the estimated conception date, it actually means it is quite likely to have happened a little before 7/24 or a little after 7/24. Read more Conception does not necessarily occur on the same day you have sex, so the most accurate date is a known last period. Read more Once you are accused, the only thing that stands up in court is a paternity test.Later us can be less reliable and be off by as much as 3 weeks in your 3rd trimester. Read more Ultrasound pregnancy dating gives a date and a range. This all means a person shouldn't think too much about exactness. Read more Based on the information you provided, the 'average' date of conception would be appx 11/14/13. 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. With todays technology you can get this sorted out sooner rather than later.

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