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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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Took Unwanted72 Pills After Having Unprotected Sex. Have Delayed Periods. Chances Of Pregnancy?

Me and my wife had unprotected sex 2 days before her periods date. Her period date is generally around the 18th of every month.
She had unwanted 72 tablet after approximately 36 - 38 hrs to avoid pregnancy. Now the date is 22nd and she has still not got her periods. Can taking the pill delay her periods ? We both are worried.
Please reply and suggest if there are any pills that can avoid pregnancy if she does not get her periods.
Awaiting an early response. Thanks, Deepak
Thu, 26 Dec 2013
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OBGYN 's  Response
Hi,
Thanks for the query.
Emergency contraceptive pill can alter the menstrual period depending on the period of menstrual cycle when the tablet was taken.
As she has taken the pill in the second half of the cycle, it might have postponed her periods.
For more details : http://srsree.blogspot.com/2012/08/emergency-contraceptive-pill-short-term.html

As she has taken the emergency pill within 72 hours, the possibility of pregnancy is less.
Possibly she will get withdrawal bleeding in 7 to 10 days.
Better to wait till that time.
If she didn't get withdrawal bleeding even after 10 days, consult gynecologist once and take tablets to induce withdrawal bleeding.
Take care.
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OBGYN Dr. Aarti Abraham's  Response
Hello Deepak
Thanks for writing to us with your health concern.
The emergency contraceptive pill is more than 90 % effective in preventing a pregnancy when taken within 48 hours of unprotected sex.
Also, unprotected sex just 2 days before the due periods has very less chances of resulting in a pregnancy.
The emergency contraceptive pill very commonly delays or prepones the period by a week or more.
SO most probably the menstrual delay is a side effect of the pill intake.
Just to be doubly sure, please take a pregnancy test 4 weeks after unprotected intercourse.
Meanwhile, she should be having her period, just , delayed by a few days.
Always try and have protected intercourse in the future.
Taking the pills too frequently is not safe.
Take care.
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Took Unwanted72 Pills After Having Unprotected Sex. Have Delayed Periods. Chances Of Pregnancy?

Hi, Thanks for the query. Emergency contraceptive pill can alter the menstrual period depending on the period of menstrual cycle when the tablet was taken. As she has taken the pill in the second half of the cycle, it might have postponed her periods. For more details : http://srsree.blogspot.com/2012/08/emergency-contraceptive-pill-short-term.html As she has taken the emergency pill within 72 hours, the possibility of pregnancy is less. Possibly she will get withdrawal bleeding in 7 to 10 days. Better to wait till that time. If she didn t get withdrawal bleeding even after 10 days, consult gynecologist once and take tablets to induce withdrawal bleeding. Take care.