Concerning Prenatal Diagnosis, Which, If Any, of the Following Statements

question 23

Essay

Concerning prenatal diagnosis, which, if any, of the following statements is false?
a) It relies on surgical procedures to recover fetal tissues from a pregnant woman.
b) Chorion villus biopsies are typically taken around 16 weeks of gestation.
c) Amniotic fluid samples allow culturing of fetal cells for cytogenetic analyses as well as allowing DNA analyses.
d) There is always a small excess risk of miscarriage.

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