The Ludwig Scale
The Ludwig Scale can be used to categorize typical hair loss patterns in women. Typical hair loss is divided into 3 categories and sub-categories.
Type I shows a general thinning at the center part, type II shows thinning progressing to the crown of the head, type III shows nearly full hair loss at the crown.
Hair loss in women does not have as clear a cause as male pattern baldness. Women with hair loss often suffer from diffuse thinning all over the scalp rather than in a distinct pattern. This hair thinning is sometimes temporary and can be caused by a variety of factors tied to the actions of hormones, including: thyroid conditions, pregnancy, and menopause. Where illness or underlying hormonal conditions are not the cause, DHT acting on an overabundance of androgen receptors in hair follicles, appears to be the culprit in thinning and hair loss in women (as it is the case with men). Female hormones are thought to influence the time of onset, severity, and pattern of loss experienced by women.
When considering hair transplant surgery, women should first consult a specialist to rule out causes such as illness and hormonal influences.

