In late January-early February I had a period, a totally normal one. On February 11th I had protected sex, but I wasn’t 100% sure so I bought a Plan B 2 days after on the 13th. On the 14th I had what I thought was protected sex but he took it off and he came in me, on purpose. I bought the Plan B about an hour later. I had withdrawal bleeding 10 days after then didn’t get a period for March! Early April I took vitamin c supplements for a few days because I was scared to miss a period, I got it on time but it was lighter than they usually are, filled up a couple tampons but still lighter... today is May 7th and I got my period again and it’s light just like the last time. Could this be the 2 Plan B's STILL messing with my periods? Or could I be pregnant? I took like 4 pregnancy tests and all came back negative !
It's most likely the Plan B, as it is a huge dose of artificial hormone for your body to deal with.
However, it sounds like you used the wrong choice of emergency contraceptive for where you were in your menstrual cycle.
Plan B works by delaying your ovulation until the sperm leaves your body. If you're already ovulating then it can't do that, so you'd need one of the other methods of emergency contraception; either the other emergency pill called Ulipristal Acetate (Ella), or to have an IUD fitted by a doctor. Either of those things can be effective if done within 120 hours/5 days of the unprotected sex.
Some think Plan B works in additional ways, but the Manufacturer does not claim that. They say it might, but it hasn't been proven.
There is therefore a chance of pregnancy, but the tests suggest that is not the case. You may have been lucky, but sometimes it can be difficult to get a positive result this early in a pregnancy. That's rare, though.
I think you'll find it's just the huge dose of artificial hormone. Everyone is different as to how long it takes to get back to normal.
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