Internal medicine

Pediatrics

Cohort study

Disease

Coronavirus disease 2019 (COVID-19)

Infectious disease (medical specialty)

Biology

Pandemic

Meta-analysis

Odds ratio

Obstetrics

Political science

Systematic review

MEDLINE

Pregnancy

Genetics

Medicine

The Lancet Global Health

The COVID-19 pandemic has had a profound impact on health-care systems and potentially on pregnancy outcomes, but no systematic synthesis of evidence of this effect has been undertaken. We aimed to assess the collective evidence on the effects on maternal, fetal, and neonatal outcomes of the pandemic.

Effects of the COVID-19 pandemic on maternal and perinatal outcomes: a systematic review and meta-analysis