I'm 19 years old I had unprotected sex on April 16th. I didn't notice ejaculation is done or not. He didn't cum into vagina .I got 3 days periods next day 17th April .I took ipill after 72 hours (20 April ).again I got periods on 30 April only 2 days period. What does it sign ?how to come to my regular normal periods?

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