A 29-year-old G1P0 at 10 weeks' gestation asks about screening for Down syndrome. According to Canadian prenatal screening practice, which is an appro...

Question

A 29-year-old G1P0 at 10 weeks' gestation asks about screening for Down syndrome. According to Canadian prenatal screening practice, which is an appropriate first-trimester screening option?

Accepted Answer

Nuchal translucency ultrasound plus first-trimester maternal serum markers

Answer

Second-trimester maternal serum alpha-fetoprotein alone

Answer

Amniocentesis at 10 weeks' gestation

Answer

No screening is available in the first trimester

Answer

Routine morphology ultrasound at 20 weeks without biochemical tests

ca-mccqe1 MCQ (SBA): Prenatal screening for trisomy 21

A 29-year-old G1P0 at 10 weeks' gestation asks about screening for Down syndrome. According to Canadian prenatal screening practice, which is an appropriate first-trimester screening option?