A nurse is providing education to a group of adolescents who are pregnant and attending high school. Which of the following information should the nurse include in their teaching?

The need for supplemental folic acid is greatest during the third trimester.

The incidence of high birth weight infants is higher in adolescent pregnancy.

Pregnant adolescents need to gain less weight than adult mothers.

Caffeinated beverages should be replaced with caffeine-free beverages.