My friend had unprotected intercourse wid his gf on 15 December. He was not sure whether he ejaculated inside her. But on 16 morning he gave her unwanted 72 tablet. Now his gf is worried about her period. Her normal period date is 25 of every month. But she's worried that why she didn't get the bleeding which occurs after taking unwanted 72. Today is 22 December. 7 days over..but bleeding. Is there any issue of pregnancy.please answer.