Early periodes and twise in one month

Hi everyone...I had my period early...it was supposed to start on 12 April but it started on the 9 and enden on 12....Since the 23 I got my period again and it stop yesterday in the morning...Nd this morning when I woke up there was blood again...Can someone plz help me...I went to the dr but she said everything is normal...But this things is complicated thts happening to me