References
- Organization WH. Targets and strategies for ending preventable maternal mortality: consensus statement, 2014. http://www.who.int/reproductivehealth/publications/maternal_perinatal_health/consensus-statement/en/.
- UNICEF. Trends in estimates of maternal mortality ratio (MMR), maternal deaths and lifetime risk of maternal death, 2000-2017. UNICEF Data: Monitoring the situation of children and women, 2021. https://datauniceforg/topic/maternal-health/maternal-mortality/.
- WHO. Trends in Maternal Mortality: 2000 to 2017 (WHO, UNICEF, UNFPA, World Bank Group and the United Nations Population Division), 2021. https://www.who.int/reproductivehealth/publications/maternal-mortality-2017/en/.
- Organization WH. Strategies towards ending preventable maternal mortality (EPMM), 2015. http://who.int/reproductivehealth/topics/maternal_perinatal/epmm/en/.
- Zaigham M, Andersson O. Maternal and perinatal outcomes with COVID-19: a systematic review of 108 pregnancies. Acta Obstet Gynecol Scand. 2020;99(7):823–829.
- Nakamura-Pereira M, Andreucci CB, de Oliveira Menezes M, et al. Worldwide maternal deaths due to COVID-19: A brief review. Int J Gynaecol Obstet. 2020;151(1):148.
- Abdollahpour S, Khadivzadeh T. Improving the quality of care in pregnancy and childbirth with coronavirus (COVID-19): a systematic review. J Matern Fetal Neonatal Med. 2020;35(8):1601–1609.
- Abdollahpour S, Badiee Aval S, Khadivzadeh T. Do not neglect the COVID-19 transmission through sexual intercourse. J Sex Marital Ther. 2021;47(7):731–737.
- Chmielewska B, Barratt I, Townsend R, et al. Effects of the COVID-19 pandemic on maternal and perinatal outcomes: a systematic review and meta-analysis. Lancet Glob Health. 2021;9(6):e759–e772.
- Elshafeey F, Magdi R, Hindi N, et al. A systematic scoping review of COVID-19 during pregnancy and childbirth. International Journal of Gynecology & Obstetrics. 2020;150(1):47–52.
- Di Mascio D, Khalil A, Saccone G, et al. Outcome of coronavirus spectrum infections (SARS, MERS, COVID-19) during pregnancy: a systematic review and meta-analysis. American Journal of Obstetrics & Gynecology MFM. 2020;2(2):100107.
- Marchand G, Patil AS, Masoud AT, et al. Systematic review and meta-analysis of COVID maternal and neonatal clinical features and pregnancy outcomes to June 3rd 2021. AJOG Global Reports. 2022;2(1):100049.
- Allotey J, Stallings E, Bonet M, et al. Clinical manifestations, risk factors, and maternal and perinatal outcomes of coronavirus disease 2019 in pregnancy: living systematic review and meta-analysis. BMJ (Clinical Research ed). 2020;370.
- Smith V, Devane D, Begley CM, et al. Evaluation of exposure-specific risks from two independent samples: A simulation study. BMC Med Res Methodol. 2011;11(1):1–6.
- Barton CJ, Webster KE, Menz HB. Evaluation of the scope and quality of systematic reviews on nonpharmacological conservative treatment for patellofemoral pain syndrome. J Orthop Sports Phys Ther. 2008;38(9):529–541.
- Cochran WG. The combination of estimates from different experiments. Biometrics. 1954;10(1):101–129.
- Higgins JP, Thompson SG. How should meta-regression analyses be undertaken and interpreted? Stat Med. 2002;21(11):1559–1573.
- Cohen J. Statistical power analysis for the behavioral sciences. (2nd ed.). Routledge, Taylor and Francis. 1988. doi:10.4324/9780203771587
- Simmonds M. Preferred reporting items for systematic review and meta-analysis protocols (PRISMA-P) 2015 statement. Syst Rev. 2015;4(1):1–7.
- WHO U, UNFPA. World Bank Group and the United Nations Population Division. Maternal mortality: levels and trends 2000 to 2017. Geneva: 2019. [cited 2022 Oct 17]. Available from: https://www.who.int/reproductivehealth/publications/maternalmortality-2000-2017/en/.
- Amaral WNd, Moraes CLd, Rodrigues APdS, et al., editors. Maternal coronavirus infections and neonates born to mothers with SARS-CoV-2: a systematic review. Healthcare 2020;8(4):511.
- Abou Ghayda R, Li H, Lee KH, et al. COVID-19 and adverse pregnancy outcome: a systematic review of 104 cases. J Clin Med. 2020;9(11):3441.
- Turan O, Hakim A, Dashraath P, et al. Clinical characteristics, prognostic factors, and maternal and neonatal outcomes of SARS-CoV-2 infection among hospitalized pregnant women: a systematic review. International Journal of Gynecology & Obstetrics. 2020;151(1):7–16.
- Knight M, Kathyrn B, Cairns A. Saving lives, improving mothers’ care: rapid report: learning from SARS-CoV-2-related and associated maternal deaths in the UK, 2020. [cited 2022 May 14]. Available from: https://wwwnpeuoxacuk/assets/downloads/mbrrace-uk/reports/MBRRACE-UK_Maternal_Report_2020_v10_FINALpdf.
- Chamseddine RS, Wahbeh F, Chervenak F, et al. Pregnancy and neonatal outcomes in SARS-CoV-2 infection: a systematic review. J Pregnancy. 2020;2020:1.
- Hessami K, Homayoon N, Hashemi A, et al. COVID-19 and maternal, fetal and neonatal mortality: a systematic review. J Matern Fetal Neonatal Med. 2020;35:1–6.
- WHO. Coronavirus Disease (COVID-19) Dashboard 21th February 2021. Available from: https://covid19.who.int/.
- Roberton T, Carter ED, Chou VB, et al. Early estimates of the indirect effects of the COVID-19 pandemic on maternal and child mortality in low-income and middle-income countries: a modelling study. Lancet Glob Health. 2020;8(7):e901–e908.
- Ashish K, Gurung R, Kinney MV, et al. Effect of the COVID-19 pandemic response on intrapartum care, stillbirth, and neonatal mortality outcomes in Nepal: a prospective observational study. Lancet Glob Health. 2020;8(10):e1273–e1281.
- Knight M, Nair M, Tuffnell D, et al. Saving lives, improving mothers’ care: surveillance of maternal deaths in the UK 2012-14 and lessons learned to inform maternity care from the UK and Ireland confidential enquiries into maternal deaths and morbidity 2009-14. Oxuniprint. 2016;4:45–55.
- Ellington S, Strid P, Tong VT, et al. Characteristics of women of reproductive age with laboratory-confirmed SARS-CoV-2 infection by pregnancy status — United States, January 22–June 7, 2020. Morb Mortal Wkly Rep. 2020;69(25):769.