What are the patterns of hair loss observed in women?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Female pattern hair loss (androgenetic alopecia) typically begins with gradual thinning at the crown or along the part line at the top of the head. Over time, the thinning can spread and hair density may decrease, but unlike male pattern baldness, it rarely progresses to complete baldness. Early recognition is key, as treatments are most effective when started sooner.

If you're noticing thinning hair, changes in your part width, or a widening scalp, don't wait to find answers. A free, instant, online symptom check can help you understand possible causes—from hormonal shifts to nutritional deficiencies—and guide your next steps, whether that's home care or seeing a specialist. Taking a few minutes now could make a meaningful difference in preserving your hair and confidence.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Female pattern hair loss is a common condition where women experience thinning hair. It usually begins with a widening of the parting line on the scalp. Over time, this can lead to a more diffuse thinning across the top of the head.

Key Points:

Thinning Hair: The hair becomes thinner, especially at the crown and the top of the head. This is the most noticeable sign.
Widening Part: The parting line in the hair may widen, making the scalp more visible.
Overall Hair Loss: Unlike men, women usually do not experience complete baldness. Instead, there is a general thinning of hair.

This condition is influenced by various factors, including genetics and hormones. It often starts after puberty and can become more noticeable with age. If you're experiencing unusual hair thinning or other concerning symptoms, you can use a free symptom checker to help identify potential causes and determine if you should consult a healthcare professional.

(References)

Bertoli MJ, Sadoughifar R, Schwartz RA, Lotti TM, & Janniger CK. (2020). Female pattern hair loss: A comprehensive review. Dermatologic therapy, 32700775.
Bhat YJ, Saqib NU, Latif I, & Hassan I. (2020). Female Pattern Hair Loss-An Update. Indian dermatology online journal, 32832434.
Vujovic A, & Del Marmol V. (2014). The female pattern hair loss: review of etiopathogenesis .... BioMed research international, 24812631.

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