Yes...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.

It is androgenetic alopecia. Ideally if this kind is left untreated for more than four years, hair growth becomes difficult to induce. There are other options like PRP therapy and hair transplant. Kindly video consult for better diagnosis and management.