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The Incidence of Postpartum Hemorrhage in Pregnant Women with Placenta Previa: A Systematic Review and Meta-Analysis
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BACKGROUND: The global burden of postpartum hemorrhage (PPH) in women with placenta previa is a major public health concern. Although there are different reports on the incidence of PPH in different countries, to date, no research has reviewed them. OBJECTIVE: The aim of this study was to calculate the average point incidence of PPH in women with placenta previa. METHODS: A systematic review and meta-analysis of observational studies estimating PPH in women with placenta previa was conducted through literature searches in four databases in Jul 2016. This study was totally conducted according to the MOOSE guidelines and in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses standard. RESULTS: From 1148 obtained studies, 11 included in the meta-analysis, which involved 5146 unique pregnant women with placenta previa. The overall pooled incidence of PPH was 22.3% (95% CI 15.8-28.7%). In the subgroup, the prevalence was 27.4% in placenta previas, and was 14.5% in low-lying placenta previa; the highest prevalence was estimated in Northern America (26.3%, 95%CI 11.0-41.6%), followed by the Asia (20.7%, 95%CI 12.8-28.6%), Australia (19.2%, 95% CI 17.2-21.1%) and Europe (17.8%, 95% CI, 11.5%-24.0%). CONCLUSIONS: The summary estimate of the incidence of PPH among women with placenta previa was considerable in this systematic review. The results will be crucial in prevention, treatment, and identification of PPH among pregnant women with placenta previa and will be contributed to the planning and implantation of relevant public health strategies.
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“Placenta previa and, to a lesser extent, low-lying placenta are associated with severe obstetric risks caused by blood loss in the third trimester and during delivery (Fan et al. 2017; Jansen et al. 2019).”
From Automatic Placenta Localization From Ultrasound Imaging in a Resource-Limited Setting Using a Predefined Ultrasound Acquisition Protocol and Deep Learning (2022) · cites this paper as Fan et al. 2017
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STUDY OF PLACENTA PRAEVIA AND ITS FOETOMATERNAL OUTCOME IN A TERTIARY CARE CENTER- MGMGH, TRICHY
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Metadata
- Authors
- Fan, D., Xia, Q., Liu, L., Wu, S., Tian, G., Wang, W., Wu, S., Guo, X., & Liu, Z.
- Affiliations
- Anhui Medical University (CN)
- Anhui University of Traditional Chinese Medicine (CN)
- First Affiliated Hospital Zhejiang University (CN)
- Foshan Maternity and Child Health Care Hospital (CN)
- Corresponding author
- Guo, Xiaoling
- Venue
- PLOS ONE
- Publisher
- Public Library of Science (PLoS)
- Published
- 2017-01-20
- Volume
- 12
- Issue
- 1
- Pages
- e0170194
- ISSN
- 1932-6203 (ISSN-L)
- PMC
- PMC5249070
- OpenAlex
- W2574444842
- Cited by
- 115
- References
- 42
- Citations by year
- 2026: 8 · 2025: 13 · 2024: 12 · 2023: 11 · 2022: 18 · 2021: 18 · 2020: 10 · 2019: 12 · 2018: 8 · 2017: 4
- FWCI
- 1.74
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- PLoS ONE (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- QUT ePrints (Queensland University of Technology) (submittedVersion, cc-by)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- Topics
- Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Maternal and fetal healthcare
- Health Sciences › Medicine › Hematology › Blood transfusion and management
- Health Sciences › Medicine › Obstetrics and Gynecology › Pregnancy and preeclampsia studies
- Keywords
- postpartum hemorrhage, placenta previa, incidence, pregnancy complications, maternal morbidity, regional variation in incidence
- MeSH terms
- Adult, Female, Postpartum Hemorrhage, Humans, Placenta Previa, Pregnancy, Incidence
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