[Obstetric and neonatal outcomes in pregnancies conceived by assisted reproductive technology in an Argentine cohort].

Introduction: Since its introduction in clinical practice in 1981, pregnancies conceived by assisted reproductive techniques (ART) are an increasing proportion of all pregnancies, presenting particular challenges.

Objective: To analyze the maternal-fetal outcomes of pregnancies conceived by ART in a single center in Argentina. Material and methods: Retrospective cohort of pregnancies conceived by ART who attended their delivery in a private university hospital through a review of records.

Reviving forgotten techniques: Vaginal salpingectomy in public health system, a retrospective cohort study.

Objective: To evaluate the viability of the vaginal route as an alternative to laparoscopy for patients seeking permanent surgical contraception.

Methods: We conducted a retrospective cohort study in 2021, dividing patients into two groups based on their preference: vaginal and laparoscopic salpingectomy. The statistical analysis was conducted using STATA, employing standard statistical methods based on the distribution of variables.

[Advanced maternal age as a risk factor for adverse maternal and perinatal outcomes].

Introduction: A progressive increase in the age of women at first pregnancy is observed, a situation that has been associated with a greater risk of adverse maternal and perinatal effects.

Objective: The aim of this study was to describe the characteristics and the maternal and perinatal outcomes of nulliparas of 40 years and older and compare them with those of nulliparas under 40.

Study Design: This was a retrospective cohort analysis of a database of pregnancy population who had attended their deliveries in a private university hospital.

[Analysis of causes or reasons that fragment sleep and sleep disorder in pregnant and non-pregnant women].

Introduction: During pregnancy, sleep undergoes important changes. The objective was to assess the causes or reasons that fragment sleep and sleep disorders in different women and trimesters of pregnancy, comparing them with those of non-pregnant women (NPW).

Methods: Cross-sectional study.