A couple attend at nine weeks of a planned pregnancy. Their first child has cystic fibrosis, and both parents…

Question

A couple attend at nine weeks of a planned pregnancy. Their first child has cystic fibrosis, and both parents are known carriers of the same CFTR variant. They say they have thought about it carefully and want a definite answer about this pregnancy as early as it can safely be obtained. The pregnancy is a singleton and the woman is well. Which one of the following tests should be offered?

Accepted Answer

Chorionic villus sampling at 11 weeks.

Answer

Amniocentesis at 15 weeks.

Answer

Cell-free DNA screening now.

Answer

Combined first-trimester screening.

Answer

Fetal morphology ultrasound at 19 weeks.

More from Paediatrics