chronic administration of testosterone ( 12 mg/wk ) or estradiole benzoate ( 1.5 mg/d , 5 d/wk ) to the fetus/newborn beginning at 85-90 d of gestation enhanced or suppressed erythropoiesis , respectively , but failed to affect the time at which the liver to kidney switch was initiated and/or completed .
C0039601
testosterone
C0032961
gestation