Risk factors for oxygen requirement in hospitalized pregnant and postpartum women with COVID-19 Fernanda Spadotto Baptista; Cristiane Freitas Paganoti; Ursula Trovato Gomez; Stela Verzinhasse Peres; Luiz Marcelo Malbouisson; Maria de Lourdes Brizot; Rossana Pulcineli Vieira Francisco;

Prevalence of oncogenic human papillomavirus in pregnant adolescents, association with colpocytological changes, risk factors and obstetric outcomes Henrique Diório de Souza; Adriana Lippi Waissman; Giselle Rodrigues Mota Diório; Stela Verzinhasse Peres; Rossana Pulcineli Vieira Francisco; Marco Aurélio Knippel Galletta;

Negative life events and depression by gender in the Brazilian Longitudinal Study of Adult Health (ELSA-Brazil) Simone V. Silva; Itamar S. Santos; Danielle B. Lima; Alessandra C. Goulart; Ana C. Varella; Paulo A. Lotufo; Andre R. Brunoni; Isabela M. Bensenor;