A systematic review and meta-analysis of velamentous cord insertion among singleton pregnancies and the risk of preterm delivery.

ABSTRACT:

Background

Observational studies have reported varying results about the association of velamentous cord insertion (VCI) with adverse pregnancy outcomes.

Objectives

To evaluate the risk of preterm delivery among singleton pregnancies complicated by VCI.

Search strategy

Various databases were searched for English-language articles published up to February, 28, 2017, using keywords including VCI; abnormal placentation; abnormal cord insertions; adverse perinatal outcomes; and preterm birth. Outcome measures included preterm delivery; pre-eclampsia; cesarean delivery; fetal demise in utero (FDIU); and small for gestational age (SGA).

Selection criteria

Only studies involving VCI were included in the meta-analysis.

Data collection and analysis

Analyses were

SUBMITTER: de Los Reyes S 

PROVIDER: S-EPMC9233492 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature