Obstetric Nurse Prenatal Care and Patient Education Flashcards

At what gestational age is the first prenatal visit typically scheduled in the US?

Answer: 6–8 weeks

The first prenatal visit is ideally scheduled at 6–8 weeks to confirm the pregnancy and establish baseline assessments.

Which screening is routinely performed at the first prenatal visit to determine maternal blood compatibility?

Answer: ABO and Rh typing

Both ABO and Rh blood typing are performed at the first prenatal visit to identify Rh-negative mothers who may need RhoGAM.

The quad screen (AFP, hCG, unconjugated estriol, inhibin A) is typically performed at which gestational age?

Answer: 15–20 weeks

The quad screen is a second-trimester screening performed between 15–20 weeks gestation to assess risk for chromosomal abnormalities and neural tube defects.

At what gestational age is the glucose challenge test (GCT) for gestational diabetes screening typically performed?

Answer: 24–28 weeks

The 1-hour 50g glucose challenge test is routinely performed between 24–28 weeks when gestational diabetes is most likely to develop.

Which vitamin supplement is recommended before conception and in early pregnancy to prevent neural tube defects?

Answer: Folic acid

Folic acid (400–800 mcg/day) taken before conception and through the first trimester significantly reduces the risk of neural tube defects such as spina bifida.

Group B Streptococcus (GBS) screening is routinely performed at which gestational age?

Answer: 35–37 weeks

Rectovaginal GBS swab cultures are obtained at 35–37 weeks; a positive result requires intrapartum antibiotic prophylaxis during labor.