Impact of physical activity level on gestational weight gain and postpartum weight retention Section: TEACHING TO LEARN How to quote Pérez Martínez E, González Sánchez I, Lacalle Senent M, Rodríguez Armell M, Sánchez Ballesteros J. Técnicas de reproducción asistida. Educare21 2013; 11(10). Disponible en: http://www.enfermeria21.com/revistas/educare/ Authors1Enrique Ramón Arbués, 2Blanca Martínez Abadía, 3Susana Martín Gómez, 2Raúl Juárez Vela Position 1Profesor en el Grado en Enfermería. Universidad San Jorge de Zaragoza. Enfermera especialista en Obstetricia y Ginecología (matrona). Hospital Universitario Miguel Servet de Zaragoza. 2Profesor en el Grado en Enfermería. Universidad San Jorge de Zaragoza. 3Enfermera especialista en Obstetricia y Ginecología (matrona). Hospital Universitario Miguel Servet de Zaragoza. Contact email: ramonarbues@hotmail.com Abstract Purpose: To analyze the effect of physical activity on weight gain over pregnancy and weight retention after childbirth. Material and methods: A descriptive longitudinal analysis in a sample consisting of 133 women. Data on physical activity and weight course during pregnancy and postpartum were collected. Results: Mean weight gain during pregnancy was close to 14 kg and weight retention three months after childbirth was about 5 kg. No statistically significant relationship was observed between weight changes and physical activity. Conclusions: The extent of physical activity effectiveness in controlling gestational weight gain and weight retention after childbirth is not clear. Further studies are warranted to elucidate such an association. Keywords: Pregnancy; postpartum; weight gain; motor activitypostpartum weight Versión en Español Título: Influencia del nivel de actividad física en la ganancia de peso gestacional y la retención de peso puerperal