A nurse is teaching a client that is HIV positive about HIV treatment.
The client is 16 weeks pregnant.
Which statement made by the client indicates that she needs more teaching?

Step 1 is to identify the first day of the last menstrual period (LMP), which is October 20.

Step 2 is to count back 3 months from October 20, resulting in July 20.

Step 3 is to add 1 year to July 20, resulting in July 20 of the following year.

Step 4 is to add 7 days to July 20, resulting in July 27.

Final calculated answer: July 27 of the following year.

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.