I have vit d vit b12 iron zinc magnesium levels in normal range only but still i have hair fall what could be reason I'm having baldness on my scalp area more i m not having thyroid but mild pcod from past 12 yrs when i keep oil and comb my hair i will loose lot of hair I'm afraid of keeping oil to my hair becoz of this and i use coconut oil itself during winters i  always have dandruff want to reason what is causing hairfall its becoming thinner day by day any other reason other than pcod as pcod will also cause hair fall na any other tests should be done??