How Long It Takes To Get Regular Menstrual Cycle After Abortion?

Hello, I am 30 years old. My height is 165 sm. Weight is 65 kg. I had two interrupted pregnancies with 6 months of interval. The last forced abortion was in May 26. But, even today I do not have my menstruation. It is already 39 days past. And Have headaches and stomach problems at present. Is it normal? and how long can it take my menstrual cycle gets normal? Thank You!