An 18-year-old pregnant college student presented at the prenatal clinic for an initial visit at 14 weeks' gestation. The client's history revealed that when she was 12, she and her mother survived a...

An 18-year-old pregnant college student presented at the prenatal clinic for an initial visit at 14 weeks' gestation. The client's history revealed that when she was 12, she and her mother survived a plane crash that killed her father and sister. Since that time, she has taken Prozac (fluoxetine) 20 mg orally daily for posttraumatic stress disorder (PTSD) and depression. Her medication was recently increased to 40 mg daily because of reports of increased stress and suicide ideation. Which of the following side effects of Prozac would the nurse judge to be the greatest risk for the young woman and her developing fetus at this stage in her pregnancy?

1. Insomnia.

2. Nausea/anorexia.

3. Headache.

4. Decreased libido.