Ключевые слова: adult, birth, canal, care, closeup, coil, contraception, contraceptive, contraceptive device, control, demonstration, device, diaphragm, doctor, efficacy, female, fertility control, fertilization, finger, gynecologist, gynecology, hand, health, hormone, intrauterine, intrauterine system, iud, life, medicine, plain, protection, reliable, reproduction, safe, sexuality, sperm, spermicide, still, tube, uterus, vagina, vaginal, woman,