Which statement best indicates the scientific rationale for administering corticosteroid therapy to a client who is 30 weeks pregnant? 1. Steroids are administered to decrease uterine contractions in...

Which statement best indicates the scientific rationale for administering corticosteroid therapy to a client who is 30 weeks pregnant?

1. Steroids are administered to decrease uterine contractions in preterm labor.

2. Steroids will increase the analgesic effects of opioid narcotics.

3. Steroids accelerate lung maturation, resulting in fetal surfactant development.

4. Steroids will prevent the development of maternal antibodies to the fetus’s blood.