Gynaecology & Obstetrics Prenatal Diagnosis 56ccc7ba Alpha-feto-protein levels are lowered in: A Down's syndrome B Renal anomalies C Anterior abdominal wall defects D Anencephaly High-Yield Explanation Decreased alpha feto proteins are seen in conditions like, Down's syndrome Intra uterine death Trophoblastic conditions Overestimated gestational age.