Suggest Remedy For Stopping Hair Fall Post Childbirth

Hi, I m 28 years old. 5 years ago I had my first child and ever since it s have been a struggle to get my hair back to its healthy state like before. It keeps thinning and falling out. I have done all the tests required for diagnosis. I have no health problems what so ever and the iron level is normal. Also, I have no vitamins deficiencies , and no family history of alopcia (my father is bald and my yonge brother is balding). I have tried everything out there and on and off the counter but nothing seems to be working. I have no bald patches or anything it s just you can see my sclap on my crown area. I need guidance.. Thanks in advance.