Fetal death as an outcome of acute respiratory distress in pregnancy, during the COVID-19 pandemic: a population-based cohort study in Bahia, Brazil.

Background: Fetal loss is one of the most serious adverse outcomes of pregnancy. Since the onset of the COVID-19 pandemic, Brazil has recorded an unprecedented number of hospitalizations of pregnant women due to acute respiratory distress (ARD), thereby, we aimed to assess the risk of fetal deaths associated to ARD during pregnancy in Bahia state, Brazil, in the context of the COVID-19 pandemic.

Methods: This is an observational population-based retrospective cohort study, developed with women at or after 20 weeks of pregnancy, residents in Bahia, Brazil.

Gestational and perinatal outcomes in recurrent miscarriages couples treated with lymphocyte immunotherapy.

Objective: This study aims to elucidate which types of recurrent miscarriage (RM) patients experienced a livebirth after paternal lymphocyte immunotherapy (LIT) and to evaluate the perinatal outcome.

Study Design: Retrospective analysis of a multicenter, observational study which enrolled 1096 couples with a history of two or more spontaneous miscarriages without any intercalated delivery. We conducted an intention-to-treat analysis of couples with RM treated with or without LIT regarding to gestational and perinatal outcomes.

Cytogenetic abnormalities in couples with a history of primary and secondary recurrent miscarriage: a Brazilian Multicentric Study.

To evaluate the difference between chromosomal abnormalities between the gender of couples affected by Recurrent miscarriage (RM) and if there is an association between previous obstetric history and chromosomal abnormalities of the parents. Multicenter, retrospective, observational study from seven different RM clinics between 2006 and 2016. We enrolled 707 couples (1014 participants) with a history of RM.

Lymphocyte immunotherapy for recurrent miscarriages: Predictors of therapeutic success.

Problem: To evaluate the predictors of successful pregnancies in women with a history of recurrent miscarriages (RMs) having undergone lymphocyte immunotherapy (LIT).

Method Of Study: Retrospective, multicenter, observational study which involved 702 pregnant women with history of RM treated with LIT. Comparative analysis of women with a history of RM having undergone LIT and experienced treatment success vs those having experienced treatment failure along with the analysis of the association between the number of prior miscarriages and the efficacy of LIT.