• Vinayak Smith, Densearn Seo, Ritesh Warty, Olivia Payne, Mohamed Salih, Ken Lee Chin, Richard Ofori-Asenso, Sathya Krishnan, da Silva Costa Fabricio F Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia. , Beverley Vollenhoven, and Euan Wallace.
• Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia.
• Plos One. 2020 Jan 1; 15 (6): e0234187.

BackgroundCOVID-19 has created an extraordinary global health crisis. However, with limited understanding of the effects of COVID-19 during pregnancy, clinicians and patients are forced to make uninformed decisions.ObjectivesTo systematically evaluate the literature and report the maternal and neonatal outcomes associated with COVID-19.Search StrategyPubMed, MEDLINE, and EMBASE were searched from November 1st, 2019 and March 28th, 2020.Selection CriteriaPrimary studies, reported in English, investigating COVID-19-positive pregnant women and reporting their pregnancy and neonatal outcomes.Data Collection And AnalysisData in relation to clinical presentation, investigation were maternal and neonatal outcomes were extracted and analysed using summary statistics. Hypothesis testing was performed to examine differences in time-to-delivery. Study quality was assessed using the ICROMS tool.Main ResultsOf 73 identified articles, nine were eligible for inclusion (n = 92). 67.4% (62/92) of women were symptomatic at presentation. RT-PCR was inferior to CT-based diagnosis in 31.7% (26/79) of cases. Maternal mortality rate was 0% and only one patient required intensive care and ventilation. 63.8% (30/47) had preterm births, 61.1% (11/18) fetal distress and 80% (40/50) a Caesarean section. 76.92% (11/13) of neonates required NICU admission and 42.8% (40/50) had a low birth weight. There was one indeterminate case of potential vertical transmission. Mean time-to-delivery was 4.3±3.08 days (n = 12) with no difference in outcomes (p>0.05).ConclusionsCOVID-19-positive pregnant women present with fewer symptoms than the general population and may be RT-PCR negative despite having signs of viral pneumonia. The incidence of preterm births, low birth weight, C-section, NICU admission appear higher than the general population.

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