Hi! Im 24 Years Old, Have A Very Irreguler Period...Hav

Hi! Im 24 years old, have a very irreguler period...Hav had that since I went to Saudi Arabia and used tablets too stop my period. Im now married and wants to get pregnant, I have been to a doctor and she said that my hormone levels are low. Im using prolygon, and cant have periods without using these tablets. How can I start to have periods nromally and regularly without using any pills. I ahve been taking blood tests, I have low oestrogene level. Vitamins and minerals are okey, I need some D vitamin.