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 more photos of your head, by direct online consultation for accurate diagnosis and proper treatment.

Hello dear. You would greatly benefit from PRP treatment for your hairloss. Visit my clinic in Delhi for proper evaluation and treatment.

Hair density looks to have reduced from the picture.Family history of baldness if present points to Androgenic alopecia.Further trichoscopic examination of scalp and certain investigations will help to assess the exact diagnosis and lead to further steps of management.