Interventions during pregnancy to prevent spontaneous preterm birth: An overview of Cochrane systematic reviews

This is a protocol for a Cochrane Review (Overview). The objectives are as follows: Our objective is to produce an overview of the evidence in the Cochrane Database of Systematic Reviews for antepartum interventions to prevent spontaneous preterm birth. We also aim to identify interventions with the potential to impact spontaneous preterm birth and to make recommendations for future systematic reviews and clinical research.