The Collaborative International Dictionary of English v.0.48:
Fetal \Fe"tal\, a. [From Fetus.] Pertaining to, or connected with, a fetus; as, fetal circulation; fetal membranes. [1913 Webster]WordNet (r) 3.0 (2006):
fetal adj 1: of or relating to a fetus; "fetal development" [syn: fetal, foetal]