A neural tube defect in the developing fetus may be detected by measuring the levels of which of the following substances?
A)human chorionic somatomammotropin
B)human chorionic gonadotropin
C)relaxin
D)maternal alpha-fetoprotein
E)corticotropin-releasing hormone

Question

Quizplus · Accepted Answer

Maternal alpha-fetoprotein (AFP) levels can be measured in the mother's blood or amniotic fluid to detect abnormalities in the fetal neural tube, such as spina bifida or anencephaly. High levels of AFP may indicate a neural tube defect, while low levels may indicate Down syndrome. The other substances listed are not typically used to detect neural tube defects.

A Neural Tube Defect in the Developing Fetus May Be