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I have a problem , so my regular LAST period was around February 18 2014, I had sex with my ex after my current boyfriend & I broke up which was around February 22nd it was only that one night . He never had the chance to come inside me. But I took the plan B pill and started an irregular period around Feb. 28 til March 4th 2014 I got back with my current boyfriend on march 4th & we had unprotected sex & he came inside me. Doctors says I'm 12 weeks pregnant today (May 17th 2014) but I wasn't even back with my current boyfriend 12 weeks ago . I'm scared. I'm not really sure who the father is :/ Help me please


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replied May 17th, 2014
Menstruation Answer A47273
Hi,
Welcome to ehealthforum,
If you have taken ECP and had withdrawal bleeding, then chances of pregnancy resulting from that intercourse can be ruled out. If you have had withdrawal bleeding in between, then the intercourse after your withdrawal bleeding should result in pregnancy. The quantity of healthy sperms is more in a complete ejaculate than in pre-cum or pre-ejaculate. 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 her peak fertile days or closer to her ovulation day is likely to result in pregnancy. 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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