Contraception. Contraceptive Methods . Female Contraception . Fertility Control . Inhibition of Fertilization . Male Contraception . Contraception, Female . Contraception, Male . Contraceptions, Female . Contraceptions, Male . Contraceptive Method . Female Contraceptions . Fertilization Inhibition . Male Contraceptions . Birth Control . Indigenous Contraception . Birth Control (Public Health) . Prevention of CONCEPTION by blocking fertility temporarily, or permanently (STERILIZATION, REPRODUCTIVE). Common means of reversible contraception include NATURAL FAMILY PLANNING METHODS; CONTRACEPTIVE AGENTS; or CONTRACEPTIVE DEVICES. . 0.85
Contraceptive Agents, Male. Contraceptives, Male . Agents, Male Contraceptive . Male Contraceptive Agents . Male Contraceptives . Chemical substances or agents with contraceptive activity in males. Use for male contraceptive agents in general or for which there is no specific heading. . 0.81
Contraceptives, Oral. Oral Contraceptives . Oral Contraceptives, Low-Dose . Oral Contraceptives, Phasic . Contraceptives, Low-Dose Oral . Contraceptives, Phasic Oral . Low-Dose Oral Contraceptives . Oral Contraceptives, Low Dose . Phasic Oral Contraceptives . Compounds, usually hormonal, taken orally in order to block ovulation and prevent the occurrence of pregnancy. The hormones are generally estrogen or progesterone or both. . 0.80
Contraceptive Agents, Female. Contraceptives, Female . Agents, Female Contraceptive . Female Contraceptive Agents . Female Contraceptives . Chemical substances or agents with contraceptive activity in females. Use for female contraceptive agents in general or for which there is no specific heading. . 0.74