Effect of maternal betamethasone on fetal and uteroplacental blood flow velocity waveforms.
Abstract OBJECTIVES: To investigate the effects of antenatal betamethasone on fetal and uteroplacental hemodynamics. METHODS: The study comprised 33 women with singleton high-risk pregnancies (23-33 weeks; 27 pregnancies < 30 weeks) not in labor, but at risk for preterm delivery based on fetal or maternal indications. They were treated with two doses of 12 mg betamethasone intramuscularly 24 h ap
