My periods were due on between 19th to 21st of November this month. As I wanted to postpone them I started having Primolut N from 18th of November,2 pills a day. but from 19th I noticed slight blood discharge from my vagina and it continued on 20th as well.. though it was very little in quantity. I contacted a gynaec and she said that i started taking the pills just 2 days before so the medicine is not having it's full effect and advised me taking 3 pills a day. so then I started taking 3 pills a day. But now i am still having discharge which is coming out in black clots mixed with fresh blood. what it could be? i had sex yesterday night and i started having blood out of vagina but then in sometime it stopped and now again in the morning i am having the black clots.

Please some one help I am very tensed. I am 22 years old..