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Progestogens for Prevention of Preterm Birth

Slide: 20 of 29

Summary of Benefits: According to Indication/Risk Group (1 of 3)

In women with current singleton pregnancies and a history of spontaneous preterm birth there is evidence of moderate strength that progestogen treatment reduces the risk of preterm birth by one-third and that the treatment may increase birth weights, although the summary result is not statistically significant. Progestogen shows promise for reducing neonatal mortality rates, with an absolute risk reduction of 1.7 percent, yielding a number needed to treat of 58. The strength of evidence in support of this finding is low.