Contraceptive may destroy female libido
• Sexual Health
Oral contraceptives work by curbing the production of testosterone, which governs sex drive in both women and men, and by raising levels of a substance called sex hormone binding globulin (SHBG), which ties up testosterone and blocks its effects. Some women suffer side-effects, including dulled libido, muted or non-existent orgasms and painful intercourse. ...
The scientists measured levels of SHBG in the women every three months for a year and found they were seven times higher in users of the Pill. Levels declined in women who had stopped taking the Pill, but remained three to four times higher than they were in those with no history of using oral contraceptives. ...