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I was wondering how long Plan B can affect a woman's cycle before it becomes consistent again?
I had sex at the beginning of November. The condom came off at some point during intercourse, and just to be on the safe side I decided to take Plan B within the next 48 hours. Two weeks later, I got a light period which lasted 3 to 4 days. On December 11, I started my next period, which was again light, but this time only lasted 2 to 3 days. Prior to Plan B, my periods had always lasted a consistent 4 days. Now its January, and I haven't had any period. I'm actually 3 weeks late. I've always been fairly regular (give or take a day or two), but I've never been weeks late.
Since December 31, I have felt pms-like symptoms (irritably, fatigue, weepiness) and an increase in appetite and FELT like my period was coming....but it never has. My mother also has a thyroid disease, which I know can be hereditary. So my question is, can Plan B irregulate my cycle for this long or should I start to possibly consider other medical options if I still haven't gotten my period within the next week or so?
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Hi Anon,
Welcome to EmpowHER. Have you taken a pregnancy test. Most women who take plan B, they experience changes on their next period. You period should had been regular by now. It might be good to see an OBGYN and the changes in your cycle.
Best,
Daisy
January 26, 2012 - 5:04amThis Comment