• I Mejía Jiménez, R Salvador López, E García Rosas, I Rodriguez de la Torre, J Montes García, M L de la Cruz Conty, O Martínez Pérez, and Spanish Obstetric Emergency Group†.
• Obstetrics and Gynaecology Service, Hospital Universitario 12 de Octubre, Madrid, Spain.
• BJOG. 2021 Apr 1; 128 (5): 908-915.

ObjectiveTo demonstrate that delayed cord clamping (DCC) is safe in mothers with confirmed SARS-CoV-2 infection.Design, Setting And ParticipantsProspective observational study involving epidemiological information from 403 pregnant women with SARS-CoV-2 between 1 March and 31 May 2020. Data were collected from 70 centres that participate in the Spanish Registry of COVID-19.MethodsPatients' information was collected from their medical chart.Main Outcomes And MeasuresThe rate of perinatal transmission of SARS-CoV-2 and development of the infection in neonates within 14 days postpartum.ResultsThe early cord clamping (ECC) group consisted of 231 infants (57.3%) and the DCC group consisted of 172 infants (42.7%). Five positive newborns (1.7% of total tests performed) were identified with the nasopharyngeal PCR tests performed in the first 12 hours postpartum, two from the ECC group (1.7%) and three from the DCC group (3.6%). No significant differences between groups were found regarding neonatal tests for SARS-CoV-2. No confirmed cases of vertical transmission were detected. The percentage of mothers who made skin-to-skin contact within the first 24 hours after delivery was significantly higher in the DCC group (84.3% versus 45.9%). Breastfeeding in the immediate postpartum period was also significantly higher in the DCC group (77.3% versus 50.2%).ConclusionsThe results of our study show no differences in perinatal outcomes when performing ECC or DCC, and skin-to-skin contact, or breastfeeding.Tweetable AbstractThis study demonstrates that delayed cord clamping is safe in mothers with confirmed SARS-CoV-2 infection.© 2020 John Wiley & Sons Ltd.

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