The Collaborative International Dictionary of English v.0.48:
Antenatal \An`te*na"tal\, a. Before birth. --Shelley. [1913 Webster]WordNet (r) 3.0 (2006):
antenatal adj 1: occurring or existing before birth; "the prenatal period"; "antenatal care" [syn: prenatal, antenatal, antepartum] [ant: perinatal, postnatal, postpartum]