Introduction:

Hyperemesis gravidarum (HG) is a disorder of pregnancy characterized by severe nausea and vomiting that can lead to serious complications. It affects approximately 0.5%-2% of pregnant women globally, being more common in multiple pregnancies and in young women. Objective: To identify the risk factors associated with hyperemesis gravidarum in women attended at the Instituto Nacional Materno Perinatal in Lima, Peru, during the year 2022.

Materials and Methods:

A casecontrol study including 126 pregnant women (63 cases with HG and 63 controls) was performed. Data collected on factors associated with hyperemesis gravidarum such as extreme maternal age, higher education level, maternal obesity, maternal hCG concentrations in the first trimester, parity, multiple pregnancy, female fetus, history of mental illness, hyperthyroidism and hydatidiform mole were analyzed. Logistic regression was used to avoid confounding variables.

Results:

Multivariate analysis adjusted for possible confounding variables indicated that higher education level was a protective factor for hyperemesis gravidarum but was not statistically significant. In contrast, maternal obesity, high hCG concentrations during the first trimester, nulliparity, and having a female fetus were factors that increased the risk of hyperemesis gravidarum and were statistically significant.

Conclusion:

The study found that maternal obesity, high hCG concentrations, nulliparity, and gestation of a female fetus were significant risk factors for hyperemesis gravidarum, while a higher education level could be a protective factor, though not a significant one.

        · abstract in Spanish     · text in English | Spanish     · English ( pdf ) | Spanish ( pdf )