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Revista de Ciencias Médicas de Pinar del Río

versión On-line ISSN 1561-3194

Resumen

PENA ABRAHAM, Migdalia de las Mercedes et al. Clinical and epidemiological features of inducing labor in post-term pregnancy. Rev Ciencias Médicas [online]. 2010, vol.14, n.1, pp.47-57. ISSN 1561-3194.

Post-term pregnancy is a controversial obstetric entity in medical literature due to the different criteria used regarding to its diagnosis, prenatal control, treatment to be followed and intra-labor management. Aimed at determining the behavior of the induction of labor in post-term pregnancy a case and control study was conducted at "Abel Santamaria Cuadrado" University Hospital, Pinar del Rio, during a three-year period (2005-2007). The universe was comprised of all the births occurring in the institution, women surpassing 42 weeks of pregnancy and inducing labor (n=239) and a control group for the first 10 pregnant women of each month with spontaneous labor and gestational age of 37-41 weeks, live fetus and with apex presentation (n=360). Maternal age, previous parity, ending of labor, Apgar score of the newborn, Bishop rate, maternal and neonatal mortality were the variables studied. Absolute frequency, percentage method, chi square test and Odss ratio to 95% of certainty were used. Post-term pregnancy with inducing labor had as risk factors: adolescence (OR=5), multiparity (OR=7.5) and the Bishop rate < 7 points (OR =6.6); prevailing cesarean section in post-term pregnancy, newborns presented a high incidence of low Apgar scores (p<0.001) and with a maternal morbidity (p<0.001).

Palabras clave : prolonged pregnancy; induced labor; cesarean section; methods; morbidity; uterine contraction; hemorrhage.

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