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pregnant and already in my second trimester. conception?

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The hard thing about this situation is i dont remember my last period because of monthd passing already . I just found out i was pregnant and already in my second trimester and i had no symptoms . & Being that far i couldnt see given up a life . I conceived somewhere in febuary . When i went and got my first sonagram on june 18 the baby measured that her due date is November 9 Already making me 19weeks and 3 days . I went and got a second sonagram july 9 and the babys due date measured 5 days ahead making another due date November 14 . Back in Febuary i had a encounter with 2 diff guys two weeks apart febuary 9 and someone else on febuary 22 . ? Help.. Confused on when i conceived ?


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replied July 31st, 2014
Pregnancy Answer A48586
Hi,
Welcome to ehealthforum,
Early sonogram can give variation of 5-7 days in gestational age. It is difficult to say who would have fathered the baby if there was no period in between your different sexual encounters, but if there was a period between your two different sexual contacts, the one after periods (closer to ovulation day) would have resulted in pregnancy. If fertile mucus had been present at time of intercourse, sperms can stay alive for 5-7 days and fertilize the egg upon ovulation. After ovulation, egg has only 24-48 hours to get fertilized. The intercourse during your peak fertile days or closer to your ovulation day is likely to result in pregnancy. If your last periods were normal and if your due date (completion of 40 weeks of gestation) is November 9th, 2014, then your probable ovulation day would be around February 16th, 2014, and probable conception date would lie between February 12th - February 20th, 2014 (calculation based on regular menstrual cycles of 28-30 days). If your last periods were normal and if your due date (completion of 40 weeks of gestation) is November 14th, 2014, then your probable ovulation day would be around February 21st, 2014, and probable conception date would lie between February 17th - February 25th, 2014 (calculation based on regular menstrual cycles of 28-30 days). If your due date (completion of 40 weeks of gestation) is known, then you can count back to know your probable conception date and current gestational age. If your periods are regular, you can also calculate your ovulation date and current gestational age based on the menstrual cycle length and last period date. Ultrasound scan done for dating can also help with knowing your probable conception date. The exact results can only be made out after a Paternity test. Visit your doctor/gynecologist for further assistance and clarification.
Take care.


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