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Human Reproduction Update|November 28, 2023
COVID-19 in pregnant women: a systematic review and meta-analysis on the risk and prevalence of pregnancy lossJanneke A C van Baar, Elena B Kostova, John Allotey, et al.
Diagnostic and Prognostic Research|May 17, 2019
External validation, update and development of prediction models for pre-eclampsia using an Individual Participant Data (IPD) meta-analysis: the International Prediction of Pregnancy Complication Network (IPPIC pre-eclampsia) protocolJohn Allotey, Kym I E Snell, Claire Chan, et al.
BMJ Open|May 11, 2023
Calcium supplementation to prevent pre-eclampsia: protocol for an individual participant data meta-analysis, network meta-analysis and health economic evaluationThaís Rocha, John Allotey, Alfredo Palacios, et al.
Lancet (London, England)|June 12, 2026
Diagnosis and treatment of postpartum haemorrhage: a race against timeArri Coomarasamy, Adam J Devall, Sarah Bell, et al.
BMJ Open|December 22, 2023
Factors affecting the implementation of calcium supplementation strategies during pregnancy to prevent pre-eclampsia: a mixed-methods systematic reviewGabriela Cormick, Hellen Moraa, Rana Islamiah Zahroh, et al.
Plos Medicine|October 31, 2025
Associations between epileptic seizures in pregnancy and adverse pregnancy outcomes: A systematic review and meta-analysisOladipupo Olalere, Saba Tariq, Olanike Ajijola, et al.
Diabetologia|March 21, 2020
A core outcome set for studies of gestational diabetes mellitus prevention and treatmentAoife M Egan, Delia Bogdanet, Tomás P Griffin, et al.
BMJ Open|December 3, 2020
Clinical manifestations, prevalence, risk factors, outcomes, transmission, diagnosis and treatment of COVID-19 in pregnancy and postpartum: a living systematic review protocolMagnus Yap, Luke Debenham, Tania Kew, et al.
BMJ (Clinical Research Ed.)|September 3, 2020
Clinical manifestations, risk factors, and maternal and perinatal outcomes of coronavirus disease 2019 in pregnancy: living systematic review and meta-analysisJohn Allotey, Elena Stallings, Mercedes Bonet, et al.
BMJ (Clinical Research Ed.)|March 17, 2022
SARS-CoV-2 positivity in offspring and timing of mother-to-child transmission: living systematic review and meta-analysisJohn Allotey, Shaunak Chatterjee, Tania Kew, et al.
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