invariably [(ˌ)in-ˈver-ē-ə-blē] [Every time; always, without change.]
chromosome [ˈkrō-mə-ˌsōm] [A linear arrangement of condensed DNA and associated proteins (such as chaperone proteins) which contains the genetic material (genome) of an organism.]
conception [kən-ˈsep-shən] [The act of conceiving.]
gestation [je-ˈstā-shən] [The period of time during which an infant animal or human physically develops inside the mother's body until it is born.]
thalidomide [thə-ˈli-də-ˌmīd] [A drug sold during the late 1950s and early 1960s as a sleeping aid, and to pregnant women as an antiemetic to combat morning sickness and other symptoms, but withdrawn as causing severe birth defects, such as phocomelia; currently used to treat leprosy.]
perpetrator [ˈpər-pə-ˌtrā-tər] [One who perpetrates; especially, one who commits an offence or crime.]
counterfeit [ˈkau̇n-tər-ˌfit] [A non-genuine article; a fake.]