Males and females can use various methods {contraception}| to prevent egg fertilization or implantation and thus pregnancy. Females can use estrogen-progesterone chemicals, vaginal spermicides, intrauterine devices, cervical covers, and tubal ligation. Males can use testosterone chemicals, condoms, and vasectomy surgery.
Cotton-seeds phenols {gossypol} can inhibit dehydrogenase reactions and can reduce sperm count but cause low blood potassium and are poison.
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Date Modified: 2022.0225