how to stop bleeding after first time intercourse?

i intercourse with my partner first time he just entered his half penis due to pain he took it out nothing was happened at that moment but after half an hour i started to bleed it was not much bleeding but the bleeding is not stopping yet its the 4th day of bleeding ... daily 4 5 drops how do i stop my bleeding and why its not stopping?? plz solve my problem this problem annoying me alot