A42-year-old client undergoes amniocentesis during the 16th week of gestation because of concern about down syndrome. which additional information about the fetus will examination of the amniotic fluid reveal at this time?

Neural tube defect.

Explanation:

Amniocentesis may be defined as the medical procedure that are used for the prenatal diagnosis of the chromosomal abnormalities and genetic defects.  The sex of a baby can also be determined by this technique.

The amount of the α-Fetoprotein gets increased in amniotic fluid at the time of neural tube defects. The maturity of lungs is not easily determined by the 35 weeks gestation. The amniocentesis cannot be used for the detection of diabetes and cardiac disorders.

Thus, the answer is neural tube defect.

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