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What are the chances of pregnancy after unprotected intercourse?

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Posted on Wed, 15 Apr 2015
Question: Hi dr.m so much worried abt my self.i had sex with my boyfrnd on 5th,6th & 7th march.my period date was 22feb...n evry month i get my period to my actual date...bt the thing is dat...after having sex...i took i pil on 8th march at around 3pm clok...dat mins bfor 72hrs as priscirbed in pill...my boyfrnds sd he ejaculate or not nt confirm in me...bt told me to take pil for safer side...tody is 26 march...n still i didnot get my unnaural bleeding...d day whn i had was under safe days or not..coz fertile days are 13 - 16...so m worried do i cum under frtile day which result in faulur or pill n conclude in pregency.also i had sex on 20,21,22mrng march using condom or ejacuated outside. n on 22nd morning i had checkd sample of urine & test is negative......i m so much worried ..... plz helpme dr..plz reply on my mail if possible
doctor
Answered by Dr. Srilatha Myaka (42 minutes later)
Brief Answer:
ipill is effective

Detailed Answer:
Hello dear,welcome to healthcare magic.I understand your concern.
In my opinion as yours are regular cycles march 22 is the expected period date.So fertile period or unsafe period can be calculated by doing 14 days minus from expected period date.ie.,22 - 14 = 8th(the probable ovulation day).
And 3 days on either side of 8 th ie.,5,6,7 and 9,10,11.So the fertile period is between 5 th to 11th or 6th to 10th(if 2 days are taken on either side of 8 th).
So 5,6 and 7 come under unsafe period.But as you have taken the ipill within time ie.,72 hours it is 95% effective.So chance of pregnancy is less.Dont worry.
20,21 and 22 come under safe period as it is the expected period time.

Though pregnancy chances are less, we can only confirm by doing a urine pregnancy test. The test gives accurate results if it is done a week after missed period.

Ipill sometimes might affect the timing and bleeding of period making it come early or late and bleeding might be lighter or heavy. So ipillĀ also might be the cause for delayed period.

I suggest you to repeat the urine pregnancy test after 10 days with first morning urine sample.
If negative wait for spontaneous onset of period for another 10 days. The period might
come by that time. If no periods even then and pregnancy test is negative consult gynaecologist for medicines for withdrawal bleeding.

So relax and check for the period. Stress regarding the thought of pregnancy also delays period.So dont get tensed. Ipill is effective there are less chances of pregnancy.

Hope this satisfies your query.
Feel free to discuss furthur.
Best regards...Dr srilatha
Above answer was peer-reviewed by : Dr. Prasad
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Answered by
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Dr. Srilatha Myaka

OBGYN

Practicing since :2007

Answered : 2422 Questions

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What are the chances of pregnancy after unprotected intercourse?

Brief Answer: ipill is effective Detailed Answer: Hello dear,welcome to healthcare magic.I understand your concern. In my opinion as yours are regular cycles march 22 is the expected period date.So fertile period or unsafe period can be calculated by doing 14 days minus from expected period date.ie.,22 - 14 = 8th(the probable ovulation day). And 3 days on either side of 8 th ie.,5,6,7 and 9,10,11.So the fertile period is between 5 th to 11th or 6th to 10th(if 2 days are taken on either side of 8 th). So 5,6 and 7 come under unsafe period.But as you have taken the ipill within time ie.,72 hours it is 95% effective.So chance of pregnancy is less.Dont worry. 20,21 and 22 come under safe period as it is the expected period time. Though pregnancy chances are less, we can only confirm by doing a urine pregnancy test. The test gives accurate results if it is done a week after missed period. Ipill sometimes might affect the timing and bleeding of period making it come early or late and bleeding might be lighter or heavy. So ipillĀ also might be the cause for delayed period. I suggest you to repeat the urine pregnancy test after 10 days with first morning urine sample. If negative wait for spontaneous onset of period for another 10 days. The period might come by that time. If no periods even then and pregnancy test is negative consult gynaecologist for medicines for withdrawal bleeding. So relax and check for the period. Stress regarding the thought of pregnancy also delays period.So dont get tensed. Ipill is effective there are less chances of pregnancy. Hope this satisfies your query. Feel free to discuss furthur. Best regards...Dr srilatha