My mom’s hair loss

Women are generally protected from generic hair loss by their production of estrogens. When they go through menopause, 50% of women get generalized thinning, rarely some patterned balding. They can also have other causes of hair thinning and its complicated.  She should see her doctor for a workup.  Have your mom read this:  https://baldingblog.com/common-blood-tests-for-female-hair-loss/