in order evaluate the potential embryotoxic and fetotoxic effects of in utero diethylstilbestrol ( des ) exposure on the developing offspring , 19 pregnant rhesus monkeys were administered 1 mg/day des orally beginning on either day 19 ( group i ) , 100 ( group ii ) or 130 ( group iii ) or gestation and termination on the day of natural birth or cesarean section .
C0012203
des
C0032961
gestation