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Obstet Gynecol. 2011 Feb;117(2 Pt 1):422-4. doi: 10.1097/AOG.0b013e31820eee00.

ACOG Committee Opinion No. 475: antenatal corticosteroid therapy for fetal maturation.

Abstract

A single course of corticosteroids is recommended for pregnant women between 24 weeks and 34 weeks of gestation who are at risk of preterm delivery within 7 days. A single course of antenatal corticosteroids should be administered to women with premature rupture of membranes before 32 weeks of gestation to reduce the risks of respiratory distress syndrome, perinatal mortality, and other morbidities. The efficacy of corticosteroid use at 32–33 completed weeks of gestation for preterm premature rupture of membranes is unclear, but treatment may be beneficial, particularly if pulmonary immaturity is documented. Sparse data exist on the efficacy of corticosteroid use before fetal age of viability, and such use is not recommended. A single rescue course of antenatal corticosteroids may be considered if the antecedent treatment was given more than 2 weeks prior, the gestational age is less than 32 6/7 weeks, and the women are judged by the clinician to be likely to give birth within the next week. However, regularly scheduled repeat courses or multiple courses (more than two) are not recommended. Further research regarding the risks and benefits, optimal dose, and timing of a single rescue course of steroid treatment is needed.

PMID:
21252775
DOI:
10.1097/AOG.0b013e31820eee00
[Indexed for MEDLINE]

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