Definition and properties A condom is a covering of latex or other material that is slipped over a man’s erect penis as a contraceptive and as protection against sexually transmitted diseases. Condoms are designed for different needs, uses, and anatomies. They differ in the following characteristics, among others: Size: length, width Materials: usually made of … Condoms
Contraceptive methods Hormonal methods: Oral contraceptives (birth control pills). Three-month injection (Depo-Provera). Contraceptive rod (Implanon) Contraceptive ring (NuvaRing) Contraceptive patch (Evra, Lisvy) “Morning-after pill”: levonorgestrel (NorLevo, generics), ulipristal acetate (ellaOne). Progestogen coil Testosterone for men (not approved) Mechanical methods: Male condoms Condoms for the woman Diaphragms Cervical cap Vaginal douche Chemical methods: Spermicides, such as … Contraceptives
Products Nonoxinol 9 is found in or on topical chemical contraceptives such as condoms, diaphragms, suppositories, foams, and creams. Structure and properties Nonoxinol 9 (C33H60O10, Mr = 616.8 g/mol) is a mixture consisting mainly of monononylphenyl ethers of macrogols and having the formula C9H19C6H4-(OCH2-CH2)n-OH, where the average value is for about 9. Nonoxinol 9 may … Nonoxinol 9