“…A total of 23 studies (Ayaz et al, 2020;Berthelot et al, 2020;Ceulemans et al, 2020;Durankuş and Aksu, 2020;Farewell et al, 2020;Gu et al, 2020;He et al, 2020;Lebel et al, 2020;Li et al, 2020;Liu et al, 2020;Mappa et al, 2020;Matsushima and Horiguchi, 2020;Oskovi-Kaplan et al, 2020;Parra-Saavedra et al, 2020;Patabendige et al, 2020;Preis et al, 2020;Saccone et al, 2020;Sade et al, 2020;Silverman et al, 2020;Wu et al, 2020b;Yue et al, 2020;Zanardo et al, 2020;Zhang and Ma, 2020) performed with 20 569 participants (16,797 pregnant women and 3,772 postpartum women) during the COVID-19 pandemic and with 3,677 pregnant women before the COVID-19 pandemic were included in this systematic review and metaanalysis. A total of 19 studies (Ceulemans et al, 2020;Durankuş and Aksu, 2020;Farewell et al, 2020;He et al, 2020;Lebel et al, 2020;Li et al, 2020;Liu et al, 2020;Mappa et al, 2020;Matsushima and Horiguchi, 2020;Oskovi-Kaplan et al, 2020;Parra-Saavedra et al, 2020;Patabendige et al, 2020;Preis et al, 2020;Saccone et al, 2020;…”