Suggest Remedy For Irregular Menstruation

Hai Doctor..My Name is Flore.Im 22Yrs old...My problem i got pregnant and i aborted in 7 1/2 months..it was like normal delivery but the baby is nomore now...i did this before 10months. After that i donated my eggs to a another lady...about 9 eggs the doctors told me..now my issue is im not getting my menses regularly i take a strip of tablet every month so that i get my periods.the tablet name is Primolut-N..I NEED A SOLUTION THAT HOW CAN I GET MY PERIODS REGULARLY LIKE BEFORE..Pls Help