My daughter is head sweat when checked her vitamin D it was deficient. Is was 15.5 but should be between 30 to 100. Also she is having hair loss in patches when shown to dermatologist they says it's alopecia areata. Also while her her delivery my wife is having hypo thyroid. We also checked my daughters T3 and TSH. They are T3 is 1.76 , T4 is 7.15 and TSH is 1.39. Can please let me know reasons for her hair loss and what should we do to cure it and do not happen again, thanks?