Fertilization. Conceptions . Delayed Fertilization . Delayed Fertilizations . Fertilizations . Fertilizations, Delayed . Fertilizations, Polyspermic . Polyspermic Fertilization . Polyspermic Fertilizations . Conception . Fertilization, Delayed . Fertilization, Polyspermic . The fusion of a spermatozoon (SPERMATOZOA) with an OVUM thus resulting in the formation of a ZYGOTE. . 1.00
Donor Conception. Conception, Donor . Conceptions, Donor . Donor Conceptions . Assisted reproductive techniques where eggs, sperm, both eggs and sperm (double donation), or embryos from donors are used. . 0.69
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. . 0.68
Norethindrone. Conceplan . Micronor . Monogest . Nor-QD . Norcolut . Norcolute . Norethindrone, (1 beta)-Isomer . Norlutin . Nor QD . NorQD . Ethinylnortestosterone . Norethisterone . Norpregneninolone . A synthetic progestational hormone with actions similar to those of PROGESTERONE but functioning as a more potent inhibitor of ovulation. It has weak estrogenic and androgenic properties. The hormone has been used in treating amenorrhea, functional uterine bleeding, endometriosis, and for contraception. . 0.66
Concept Formation. Concept Formations . Formation, Concept . Formations, Concept . A cognitive process involving the formation of ideas generalized from the knowledge of qualities, aspects, and relations of objects. . 0.66
