OBJECTIVE:

Identify the predisposing factors of severe preeclampsia.

MATERIALS AND METHODS:

Observational, analytical study of cases and controls, carried out in patients attended, from January to December 2017, at the Hermilio Valdizan and Tingo María Contingency Hospitals of the Huánuco region. Factors associated with preeclampsia were considered: pre-conception, maternal and environmental factors. For the association between variables, a multivariate analysis was performed using the logistic regression model, calculating the odds ratio and 95% confidence intervals.

RESULTS:

We included 136 cases (severe preeclampsia) and 272 controls. Among the predisposing factors of severe preeclampsia were: preeclampsia (p <0.001, OR = 13.28), age of the mother over 35 years (p <0.001, OR = 3.93), obesity (p = 0.001, OR= 3.66), pregnancy with a new sexual partner (p <0.001; OR = 7.15) and twin pregnancy (p = 0.01; OR = 9.57).

CONCLUSION:

The history of preeclampsia, maternal age over 35 years, obesity, pregnancy of a new sexual partner and twin pregnancy are risk factors for severe preeclampsia.

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