Smoking has which effect on Uterine leiomyoma formation
A
Higher risk of fibroid uterus
B
Lowers risk of leiomyoma formation
C
No change compared to general population
D
Higher risk of fibroid uterus in postmenopausal women
High-Yield Explanation
Smoking alters estrogen metabolism and lowers physiologically active serum estrogen levels. This explains lower risk of leiomyoma formation in smokers.