Available human data do not suggest an increased risk for congenital anomalies above the background population risk when used as indicated. However, animal reproductive toxicology studies showed increased embryo-fetal loss and structural malformations in offspring. If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of Oxymetholone potential risks to the fetus. Liver Disease. Abnormal Uterine Bleeding. Ovarian Cysts.