Contraception: the prevention of conception.—Stedman’s Medical Dictionary.
Contraceptive: anything used to prevent conception.—Dorland’s Medical Dictionary.
Contraceptive: an agent for the prevention of conception.—Stedman’s Medical Dictionary.
Fecundation: impregnation or fertilization.—Dorland’s Medical Dictionary.
Fetus: the unborn offspring of any viviparous animal; the child in the womb after the end of the third month: before that time it is called the embryo.
Malthusianism: (Thomas Robert Malthus, English political economist, 1766–1834). The doctrine that population increases in geometrical progression; and the teaching, founded on this doctrine, that over-population should be prevented.—Stedman’s Medical Dictionary.
Doctrine of Malthus: the doctrine that the increase of population is proportionately greater than the increase of subsistence.—Gould’s Practitioner’s Medical Dictionary.
Theory of Malthus: that small families will abolish poverty and disease; recommends continence and late marriage to bring about this result.
Theory of Neo-Malthusians: that small families will abolish poverty and disease; recommends early marriage and use of preventive checks to bring about this result.
Pregnancy: gestation, fetation, gravidity.—Stedman’s Medical Dictionary.