Introduction:

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

Objective:

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.

Results:

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.

Conclusions:

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%.

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