Gynaecology & Obstetrics MSAFP( Maternal Serum Alpha-Fetoprotein ) is elevated in all of the following except : A Neural tube defects B Esophageal obstruction C Gastroschisis D Chromosomal trisomies π‘ Explanation MSAFP( Maternal Serum Alpha-Fetoprotein ) is elevated in all of the following except : β Correct Answer: D. Chromosomal trisomies