I'm 22 years old, I got my last periods on 20/12/22 (first day of periods) and I had unprotected sex (but not ejaculated inside on both days) on 24th dec & 29th jan .i have not got my periods for almost 1.5 months I did a urine pregnancy test for two times on 29th jan and 5th feb it was all negative and doctor prescribed meprate 10 mg for 5 days 2 times a day and I started the dosage on 29th jan (night) still I have not got my periods. Kindly suggest me with remedy.