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What Causes Positive Pregnancy Result Even After Taking I Pill?

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Posted on Fri, 10 Jul 2015
Question: my wife period came on 20th may, i had sex on 6th XXXXXXX i gave an ipill 12 hours after sex. when we carried out UPT on 20th XXXXXXX it became positive in both hormone test and urine test. how it is possible?
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Answered by Dr. Aarti Abraham (15 minutes later)
Brief Answer:
The I pill is less effective post ovulation.

Detailed Answer:
Hello
Thanks for writing to us with your health concern.
See, the I pill is more than 95 % effective in preventing a pregnancy.
So there is always a 5 % risk of failure of the I pill, it is not 100 % effective.
Moreover, after ovulation, its success is even less.
It is highly likely that she had already ovulated on the 6th of XXXXXXX so the I pill has failed in this case.
So that is how she has gotten pregnant.
I hope this explains the scenario.
Please feel free to discuss further, and tell me how I can help you further in this regard.
Looking forward to hearing from you.
Take care.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Aarti Abraham

OBGYN

Practicing since :1998

Answered : 6004 Questions

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What Causes Positive Pregnancy Result Even After Taking I Pill?

Brief Answer: The I pill is less effective post ovulation. Detailed Answer: Hello Thanks for writing to us with your health concern. See, the I pill is more than 95 % effective in preventing a pregnancy. So there is always a 5 % risk of failure of the I pill, it is not 100 % effective. Moreover, after ovulation, its success is even less. It is highly likely that she had already ovulated on the 6th of XXXXXXX so the I pill has failed in this case. So that is how she has gotten pregnant. I hope this explains the scenario. Please feel free to discuss further, and tell me how I can help you further in this regard. Looking forward to hearing from you. Take care.