Obstetrics & Gynecology Science

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Original Article
Korean J Obstet Gynecol. 2006;49(5):1017-1027. Published online May 1, 2006.
Clinical characteristics and pregnancy outcomes of hyperemesis gravidarum.
Sun Ok Oh, Cheol Hong Park, Jong Seung Shin, Eun Joo Park, Won Il Park, Jung Hwan Shin, Seo Yoo Hong, Jin Yong Lee, Tae Bok Song, Yong Soo Seo
1Department of Obstetrics and Gynecology, Eulji University School of Medicine, Seoul, Korea. obdrseo@naver.com
2Department of Obstetrics and Gynecology, College of Medicine, Chonnam National University, Gwangju, Korea.
Abstract
OBJECTIVE
It is controversial that hyperemesis gravidarum has adverse effect on pregnancy. The purpose of this study is to evaluate clinical characteristics and pregnancy outcomes in women with hyperemesis gravidarum. METHODS: We identified 52 women who was treated as inpatients for hyperemesis gravidarum and had delivered babies between Jan. 2001 and Oct. 2004. The control group was 123 women who had not suffered from hyperemesis gravidarum. We performed a retrospective analysis of obstetric and pediatric medical records. We analyzed the data using student's t-test and Chi-square test and p-value<0.05 was considered as statistically significant. RESULTS: The average height (162.5+/-0.6 vs. 160.6+/-0.4 cm, Mean+/-SE) was significantly higher in hyperemesis group. The average pre-pregnancy BMI (20.2+/-0.3 vs. 21.0+/-0.2 kg/m2) and maternal age (29.8+/-0.5 vs. 31.2+/-0.3 years) were significantly lower in hyperemesis group. The average weight loss was 2.6 kg and the average hospital stay was 5.4 days. The average concentration of serum electrolytes were within normal limits. The hematocrit (35.4+/-0.4 vs. 34.3+/-0.2%) and unconjugated estriol (1.336+/-0.055 vs. 1.126+/-0.034 MoM) were significantly higher in hyperemesis group. Vaginal bleeding during the first trimester was more common in hyperemesis group (16.4 vs. 4.7%). Pregnancy outcomes between hyperemesis and control group were similar in average gestational age, average birth weight, average Apgar scores, sex ratio, congenital malformation and neonatal morbidity. CONCLUSION: Pregnant women with hyperemesis had significant differences in some demographic characteristics, hematocrit, unconjugated estriol and vaginal bleeding during the first trimester, but had similar pregnancy outcomes.

Keywords :Hyperemesis gravidarum;Epidemiology;Pregnancy outcomes

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