Hello mere last period 18 april ko aye they today is 27 april pregnancy test bhi negative aya hai kl kiya tha. Me 2 month se tab dienogest endometriosis k lye le rhi hu last month to period aye they in between after period mere se medicine nai li gai one week se lower abdomen pain hai but no periods. Kya ye pregnancy ka sign hai ya medicine side effect ese me mujhe kya karna chahiye please suggest me m worried.