Asked for Female, 21 Years I had my periods on 14 feb last month I had unprotected sex with my bf on 14th march and I took an ipill it's 26 march I still haven't got my periods I had pregnancy test 2 times its negative I also took regestrone for 2 days bt I still haven't got my periods please tell me why this is happening. Plzzz help me please.

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