Association Between COVID-19 Pregnant Women Symptoms Severity and Placental Morphologic Features.

Unlabelled: Since the beginning of the pandemic, few papers describe the placenta's morphological and morphometrical features in SARS-CoV-2-positive pregnant women. Alterations, such as low placental weight, accelerated villous maturation, decidual vasculopathy, infarcts, thrombosis of fetal placental vessels, and chronic histiocytic intervillositis (CHI), have been described.

Objective: To analyze clinical data and the placental morphological and morphometric changes of pregnant women infected with SARS-CoV-2 (COVID-19 group) in comparison with the placentas of non-infected pregnant women, matched for maternal age and comorbidities, besides gestational age of delivery (Control group).

SARS-CoV-2 in asymptomatic pregnant women in South Brazil: RT-PCR and serological detection.

Objectives: This study aims to detect the SARS-CoV-2 infection prevalence in asymptomatic pregnant women.

Methods: A group of 195 asymptomatic pregnant women who attended the prenatal care outclinic and to the obstetric emergency department was tested concomitantly for SARS-CoV-2 by RT-PCR and serological tests.

Results: The virus was detected by RT-PCR in two (1.