[Petersen's hernia after laparoscopic gastric bypass].

Background: RYDG is the second most prevalent bariatric operation worldwide in terms of surgical treatment for the management of obesity and its comorbidities; however, one of its complications is the development of Petersen's space hernia. Currently there is no specific cause for their development since, based on studies published worldwide, they have an unpredictable behavior in each individual.

Objective: To establish the prevalence of Petersen's hernia and risk factors for its development.

Breastfeeding Practices and Postpartum Depression in Mexican Women during the COVID-19 Pandemic: A Cross-Sectional Study.

: Breastfeeding is a characteristic process of mammals that ensures delivery of an adequate nutritional supply to infants. It is the gold standard food source during an infant's first months of life. Since the onset of the COVID-19 pandemic in 2020, people in quarantine have experienced a wide range of feelings, which may make isolation challenging in terms of maternal health.