title: BIOLOGICAL ASPECTS OF THE CONTROL OF HUMAN FERTILITY.
mesh_terms: D000486:Allergy and Immunology; D001695:Biology; D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D010064:Embryo Implantation; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D005306:Fertilization; D006728:Hormones; D006801:Humans; D008297:Male; D010600:Pharmacology; D011247:Pregnancy; D011593:Psychology, Social; D013094:Spermatozoa
chemical_list: D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D006728:Hormones
keywords: BIOLOGY; CONTRACEPTIVES, ORAL; FAMILY PLANNING; FERTILIZATION; HORMONES; IMMUNOLOGY; NIDATION; PHARMACOLOGY; PREGNANCY; PSYCHOLOGY, SOCIAL; SPERMATOZOA