What can lead to hair loss in women?

Low iron,thyroid. Many things can lead to hair loss including heredity, iron deficiency, an under active thyroid or hormone abnormalities associated with polycywtic ovaries. Temporary cause of hair loss include high fever, anesthesia, medications, rapid weight loss, and hair loss after delivering a baby. A proper diagnosis needs an exam and blood tests.
Many reasons. Some of the reasons for hair loss > 1. Heredity 2. Stress 3. Low hemoglobin levels 4. Various drugs (especially chemotherapy drugs).