Resumen

DELGADO-BECERRA, Aída  y  MORALES-BARQUET, Deneb Algedi. Epidemiology of twin pregnancy at the Instituto Nacional de Perinatología Isidro Espinosa de los Reyes. Perinatol. Reprod. Hum. [online]. 2013, vol.27, n.3, pp.153-160. ISSN 2524-1710.

Introduction: The twin pregnancy is considered a high risk entity. In our institution, the percentage of live newborns due to double pregnancies varies between 4.8 and 6.5%. Multiple pregnancies have a greater impact on health systems due to high rate of complications. Objective: To describe the maternal and neonatal characteristics of twin pregnancies at the Instituto Nacional de Perinatología, and determine differences in morbidity between the first and second twin. Material and Methods: The study was conducted in the all newborns products of twin pregnancies from January 1^st 2007 to December 31^st 2008 were included. Descriptive statistics by means of tables and analytical statistics was used to compare the twins. Results: A total of 654 newborn cases from 327 twin pregnancies were included. Spontaneous pregnancy was found in 92%. Preeclampsia was the most common cause of maternal mortality presented in 14.2% of the pregnancies. Intrauterine growth restriction was found in 55.2% and prematurity in 54.9%. No statistical differences were observed in the morbidity between the first and the second twin. Conclusions: Due to an increased maternal and fetal morbidity and mortality observed in twin pregnancies, measures to prevent complications most be applied during the perinatal period.

Palabras llave : Twin pregnancy; neonatal morbidity.

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