Hyperemesis Gravidarum & Child School Performance
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Exposure to hyperemesis gravidarum (HG) during pregnancy has minimal impact on children’s school performance, with no significant difference seen between siblings, according to a recent study published in the American Journal of Obstetrics & Gynecology1.
HG is a severe form of gestational nausea that occurs in up to 3% of pregnancies and is a common cause of first-trimester hospitalization.2 the condition is associated with vomiting, inability to tolerate food or fluids, dehydration, and electrolyte imbalance.1 Previous studies have examined the maternal consequences of HG, but evidence on long-term effects in offspring has been limited.
“School performance can be considered an indicator of cognitive functioning and also future education and income. Thus, we aimed to investigate the school performance of offspring born to mothers with HG compared to nonexposed offspring,” wrote investigators.
Measuring school performance
Table of Contents
The nationwide cohort study evaluated the association between maternal HG and school performance in offspring. The investigators included all liveborn children in Denmark from 1986 to 2005 using registry data. Children exposed to HG were identified through maternal diagnoses in the Danish national Patient Registry, and school performance outcomes were obtained from national education registries.
The cohort consisted of 1,162,249 offspring, of whom 1.1% were exposed to HG during pregnancy. Compared with nonexposed children, those exposed were more often female, more frequently born preterm or from multiple pregnancies, and more often born to mothers with lower educational attainment.
The primary outcomes were grade point
Study Details & Findings
| Characteristic | HG Exposed (n=12,785) | Non-Exposed (n=1,149,464) |
|---|---|---|
| Female (%) | 51.1% | 48.7% |
| Preterm Birth (%) | 6.1% | 3.8% |
| Multiple Pregnancy (%) | 2.8% | 1.4% |
| Lower Maternal Education (%) | 25.3% | 15.2% |
What is Hyperemesis Gravidarum?
Hyperemesis gravidarum (HG) is a severe form of nausea and vomiting during pregnancy. It’s much more serious than typical “morning sickness” and can lead to dehydration, weight loss, and electrolyte imbalances. HG often requires hospitalization for intravenous fluids and medication. The exact cause of HG