some of the pregnant mice in each group were injected intraperitoneally on the 9th day of gestation with 10 mg/kg of cytosine arabinoside ( ara-c ) , a well-known teratogen resulting under the above conditions in the appearance of about 15 % ( 42 of 354 ) of resorbed implantation points and the development of cp or clp in about 30 % ( 96 of 312 ) of fetuses .
C0032961
gestation
C0010711
cytosine