The impact of the COVID-19 pandemic on depression and stress levels in pregnant women: a national survey during the COVID-19 pandemic in Mexico.

Background: COVID-19 outbreak has been associated with a wide variety of psychiatric manifestations such as panic, anxiety, and depression. We aim to assess the impact of the COVID - 19 pandemic on the levels of stress and depression of pregnant women in Mexico.

Methods: A cross-sectional web survey was carried out in pregnant women in 10 states of the Mexican Republic during the COVID-19 pandemic among public and private hospitals.

[Sociodemographic and obstetric factors associated with preterm birth].

Background: Preterm birth is the major cause of neonatal morbidity and mortality and is responsible for 75 to 90% of neonatal deaths unrelated to congenital malformations.

Objective: To evaluate preterm birth association with sociodemographic and obstetric risk factors.

Material And Method: A retrospective, comparative, longitudinal and observational study was carried out in which were analyzed all preterm births registries found in 2001-2006 period in the Civil Hospital of Culiacan, Sinaloa, México.

[Effect of post-abortion interpregnancy interval on obstetric and perinatal outcomes].

Background: The interval between pregnancies is important because it allows the mother to recover after an obstetric event.

Objective: To evaluate if postabortion short interpregnancy intervals affect the obstetrics and perinatal outcome.

Material And Methods: A cases and controls study was carried out.