The OB-GYN nurse is assessing a pregnant patient, and recognizes genetic amniocentesis will be ...

3,4,5
Rationale 1: Women 35 or older are at greater risk for having children with chromosome abnormalities.
Rationale 2: Genetic ultrasound would be done at 1013 weeks and 1820 weeks.
Rationale 3: Parents who have a child with a chromosomal anomaly have an increased chance of having a second child with the abnormality.
Rationale 4: Family history of neural tube defects is an indication for genetic amniocentesis.
Rationale 5: If both parents carry an autosomal recessive disease, they have a 25 chance with each pregnancy that the fetus will be affected.