You are suffering from hormonal changes causing Androgenetic alopecia causing hair fall. It's completely stoppable even regrowth of hair is possible with certain medications without any side effects. Treatment depends on the grade of hair loss. So, it's a must for diagnosing which grade, you are in for an effective treatment. Please  send photos of your head, by direct online consultation for accurate diagnosis and proper treatment.

Your history indicates that you have got hormones induced hairloss. Your treatment will depend on severity of hairloss and the pattern of hairloss it. You can discuss your problem on online consultation.