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Using the 7-point scale, the improvement was statistically significant from 6 months to 12–18 months, both for finasteride (P < 0.0027) and 17α-estradiol (P < 0.0205). EST = 17α-estradiol; FIN = finasteride; FPHL = female pattern hair loss; 0 = no change; 1 = slightly increased; 2 = moderately increased; 3 = greatly increased.
