Table 3.

Methodological assessment according to the AMSTAR-2 scale.

Author	Article	Assessment of Overall Confidence
Wang et al. [21]	Impact of COVID-19 on pregnancy.	High
Diriba et al. [4]	The effect of Coronavirus infection (during pregnancy and the possibility of vertical maternal–fetal transmission: A systematic review.	High
Khedmat et al. [22]	Pregnant women and infants against the infection risk of COVID-19. A review of prenatal and postnatal symptoms.	Moderate
Robaina–Castellanos et al. [23]	Congenital and intrapartum SARS-CoV-2 infection in neonates, hypotheses, evidence, and perspective.	High
Kazemi et al. [24]	COVID-19 and cause of pregnancy loss during the pandemic: A systematic review.	Moderate
Ribeiro et al. [25]	SARS-CoV-2 infection and placental pathology infection.	Moderate
Aghaamoo, Ghods, and Rahmanian [26]	Pregnant women with COVID-19 the placental involvement and consequences.	Moderate
Kant et al. [27]	Clinical features and outcome of SARS-CoV-2 infection in neonates: A systematic review.	Moderate
Ferrer––Oliveras et al. [28]	Immunological and physiopathological approach of COVID-19 in pregnancy.	Moderate
Barcelos et al. [9]	Vertical mother-to-child transmission of SARS-CoV-2: A systematic review.	Moderate
Auriti et al. [29]	Pregnancy and viral infections: Mechanisms of fetal damage diagnosis and prevention oof neonatal adverse outcomes from cytomegalovirus to SARS-CoV-2.	High
Cavalcante et al. [30]	Maternal immune responses and obstetrical outcomes of pregnant women with COVID-19 and possible health risks of offspring.	Moderate
Jamieson and Rasmussen [31]	An update on COVID-19 and pregnancy.	High
Yoon, Hang, and Ahn [32]	Clinical outcomes of 201 neonates born to mothers with COVID-19: A systematic review and meta-analysis.	High
Morrison et al. [33]	COVID-19: Can we treat the mother without harming her baby?	Moderate
Ryan et al. [34]	Neonates and COVID-19: State of the art neonatal sepsis series.	Moderate