Girls, who's on the pill, tell me ? I've been taking diazepam since Se…

Girls, who's on the pill, tell me ? I've been taking diazepam since September, everything was fine, periods as per schedule, this month they came early, still 9 active pills, and they already came, scanty... This month I was very nervous, could it be related to this, or are the tablets not suitable? A week ago, we found free fluid behind the uterus, they said there was some inflammation, now blood is normal, leukocytes are normal and all the rest too. Yesterday I saw a gynecologist, she prescribed me hemostatic and Terzhinan candles, but the blood still comes, little, but it comes, I don't know what to do...