I Am 5 Weeks And 6days Pregant And I Took

i am 5 weeks and 6days pregant and i took cepin night to be able to sleep cos i was having a terrible headace.
the following day i started seeing blood.it started with purging.i went to the doctor did scan and then i gave me duphaston to take but now the bleed has become heavier more red blood and cloated black blood with pain around my waist like mesuration pain