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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Are The Chances Of Pregnancy Despite Taking Unwanted 72 After Unprotected Sex?

i had sex with my boyfriend on 13th jan 2014 at 2pm. nd in d evening we had unprotected sex. and next day morning again we had a protected sex. nd whole day we didnt have any sex..on 15th morning we had a potected sex again..till 15 evening i din take any pill..0n 15 at 8pm i took unwanted 72. my periods are irregular most of the time.bt this time period date 14 dec 2013 nd today is 25 jan 2014..10 days passed after taking unwnted 72 bt i didnt get my periods yet..is there any chances of pegnency? i m too much scared of it.plzz hlp me.
thnk you so much sir for this ans. but i hav one more doubt. i am 22 years old. my periods has started today 29th jan. periods are normal as usaual. still is there any chance of pregnancy after starting periods nd without having sex befor next periods. because i have seen a case in dat she was in heavy periods bt still she was 2 month pregnant.can it be possible. should i do a home pregnancy test and when should i do test.plzz help.
Mon, 3 Feb 2014
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OB & GYN Specialist 's  Response
Hello,

First of all, it is quite difficult to calculate fertile days in irregular period and chance of pregnancy depends on ovulation time. However, unwanted 72 pill gives more than 58% protection against unwanted pregnancy within 48 hrs to 72 hrs of intake.

Here, you should wait another 1 week and if you don't get it, you must undergo one home pregnancy test to clear doubts. Good luck.



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OBGYN Dr. Aarti Abraham's  Response
Hello
Thanks for writing to us with your health concern.
Firstly you always have irregular cycles, so it is very unwise to take Unwanted 72.
This emergency contraceptive pill ( ECP ) has a notorious side effect of altering your normal pattern of the periods.
IT can prepone or delay your periods by as much as a week, or upto 10 days.
Also, it can induce hormonal withdrawal bleeding, which itself is quite confusing.
If taken within 72 hours of unprotected sex, it provides reliable protection against pregnancy.
In fact it is more than 90 % effective in preventing pregnancy.
Hence, do not worry.
Chances of pregnancy are definitely there, but considering the menstrual delay due to the ECP as well as history of delayed cycles, that is the most likely cause.
So do not worry.
IF 4 weeks have elapsed since the encounter of unprotected sex, then please take a pregnancy test just to be sure.
All the best
Take care.
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What Are The Chances Of Pregnancy Despite Taking Unwanted 72 After Unprotected Sex?

Hello, First of all, it is quite difficult to calculate fertile days in irregular period and chance of pregnancy depends on ovulation time. However, unwanted 72 pill gives more than 58% protection against unwanted pregnancy within 48 hrs to 72 hrs of intake. Here, you should wait another 1 week and if you don t get it, you must undergo one home pregnancy test to clear doubts. Good luck.