Don't worry...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.

U r suffering from androgenetic alopecia, with meds result varies from patient to patient, continue meds atleast for four months to see the response, other wise u can plan for hair transplant