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Q: 

Emergency contraceptives and missed period

By Anonymous April 27, 2015 - 6:15am
 
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Hello,

I took an plan b on March 9th, about 24 hrs after a BC failure. I got my period as scheduled March 24-26th. I also take birth control regularly(but miss a few pills the beginning of the cycle, that is why I took the EC).
I continue to take my BC as scheduled, a few times this month I took two pills at night due to missing the night before, but did not miss any. My period was suppose to come the week of April 20. It is now 5 days late. I was also traveling that week (different time zones) and exercising more the week before. i had mild pms symtoms and felt like I was suppose to get my period, but never did come. i started my new pack of BC yesterday, so not sure if my period will even start? Should I be concerned about pregnancy?

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EmpowHER Guest
Anonymous

I was under the assumption when I took the plan b it would effect the March cycle (either early or late) and I got my period as usual so thus assumed Aprils would be normal as well. I did take a HPT yesterday which was negative. Would it have been recommended to stop the BC pills for this month and restart fresh on the next pack?

April 28, 2015 - 8:33am
Guide (reply to Anonymous)

Hi Anonymous,

If this had happened to me, I would have spoken with my gynecologist before starting the new pack.

I am thinking in the line of a hormonal imbalance and not pregnancy. Taking a "break" from the synthetic hormones and using an alternative form of birth control, such as condoms, would have been a better choice to get your body back to normal.

Regards,
Maryann

April 28, 2015 - 8:41am
Guide

Hello Anonymous,

Welcome to EmpowHER and thank you for coming to us with your concern. I wish you had contacted your gynecologist before starting the new pack. My concern is not pregnancy, but a hormonal imbalance.

Basically, the menstrual cycle is regulated by a precise balance of hormones. Oral contraceptives prevent pregnancy by preventing ovulation. Emergency contraceptive pills work similarly and contain higher doses of the synthetic hormone found in most birth control pills.

The daily dose of birth control pills keep hormone levels constant. Once you stop the active pills, hormone levels drop and bleeding starts. Changes in the menstrual cycle are a reported side effect of EC. The next monthly period might start earlier or later than normal.

High levels of stress, traveling through time zones, and extreme exercising are just three factors that affect the hormonal balance that regulates the menstrual cycle, causing a delay in the start of a period or a missed period.

Regards,
Maryann

April 27, 2015 - 8:59am
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