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Pediatría (Asunción)

On-line version ISSN 1683-9803


PEREIRA FERREIRA, Sara; CARRERA, Dina  and  MESQUITA, Mirta. Pregnant women with a positive swab for SARS-CoV-2: clinical presentation and evolution of the mother-newborn pair in a hospital population. Pediatr. (Asunción) [online]. 2021, vol.48, n.3, pp.169-175. ISSN 1683-9803.


During the pandemic, all pregnant women underwent a nasopharyngeal swab for SARS-CoV-2.


To describe the clinical characteristics and evolution of pregnant women with a positive PCR study for SARS-CoV-2 and their newborns in a hospital population.

Materials and methods:

This was an ambispective observational, cohort follow-up study, in the maternity ward of the Social Security Institute Hospital between March 01, 2020 to May 31, 2021. Third trimester pregnant women admitted for delivery, with a positive result for SARS-CoV-2, were included. Variables: age, symptoms, pregnancy complications, COVID-19 classification, admission to intensive care, neonatal anthropometry, follow-up of the mother-neonate pair up to 7 days postpartum. The data was analyzed in SPSS using descriptive statistics. The protocol was approved by the research ethics committee.


136 pregnant women and 139 newborns (3 twins) were admitted. 78.6% were symptomatic, 8.1% had severe forms. 10.3% presented pre-eclampsia, 10.3% entered intensive care and 2.2% died. 86.4% were born by cesarean section, there were 2 stillbirths. 29.2% were preterm, 18.2% had low birth weight, 24.8% were hospitalized. 3/137 died before 7 days of age. The neonatal swab was positive in 3. 78% were breastfed.


15.5% of positive pregnant women were admitted with moderate to severe forms of COVID 19, 10.3% were admitted to the ICU and 3 died. The percentage of caesarean section, prematurity and neonatal hospitalization was very high. There were 2 stillbirths and 2.9% of live births died. The neonatal swab was positive in 2.2%.

Keywords : COVID-19; pregnancy; neonates; morbidity; mortality.

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