Incidence and trend of preterm birth in China, 1990–2016: a systematic review and meta-analysis
Objectives To update the WHO estimate of preterm birth rate in China in 1990–2016 and to further explore variations by geographic regions and years of occurrence.Design Systematic review and meta-analysis.Data sources Pubmed, Embase, Cochrane Library and Sinomed databases were searched from 1990 to...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
BMJ Publishing Group
2020-12-01
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Series: | BMJ Open |
Online Access: | https://bmjopen.bmj.com/content/10/12/e039303.full |