COVID-19 has emerged as a new viral illness with potential for significant morbidity and mortality. Pregnant women are high risk for contracting the virus or suffering from complications, however data regarding the effect of COVID-19 on pregnancy is limited to case reports from affected countries. The pathophysiology of COVID-19 infection may provide insights of the threat to mother and fetus. In this review we collate available evidence of harm caused by COVID-19 to mothers and their offspring in all trimesters. Obstetricians must understand the risks posed by this pandemic to effectively counsel women who are currently pregnant or planning conception.