A pregnant client asks about the functions of the placenta.Which of the following items should the nurse NOT include in the teaching plan?

Choice A rationale

Chromosomal defects are typically assessed using different tests, such as chorionic villus sampling or amniocentesis, rather than an ultrasound at this early stage.

Choice B rationale

Fetal lung maturity cannot be assessed at 9 weeks gestation because the lungs are not yet developed. This assessment is usually done later in pregnancy if preterm delivery is anticipated.

Choice C rationale

At 9 weeks gestation, the primary purpose of an ultrasound is to confirm the presence of a fetal heartbeat, which indicates a viable pregnancy.

Choice D rationale

The position of the fetus in utero is not a concern at this early stage of pregnancy. Fetal positioning becomes relevant later in pregnancy, closer to delivery.

Choice A rationale

Psoriasis is a chronic skin condition that is not specific to pregnancy. It is characterized by red, scaly patches and requires medical treatment.

Choice B rationale

Jaundice, indicated by yellowing of the skin and eyes, is a sign of liver dysfunction and is not related to normal pregnancy changes.

Choice C rationale

Erythema toxicum is a common, benign rash that occurs in newborns, not in pregnant women. It appears as red spots with small pustules and resolves on its own.

Choice D rationale

Linea negra is a dark line that appears on the abdomen during pregnancy due to hormonal changes. It is a common finding in the third trimester.