Journal
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY
Volume 127, Issue 9, Pages 1147-1152Publisher
WILEY
DOI: 10.1111/1471-0528.16217
Keywords
Gestational diabetes; hepatitis B virus; pregnancy
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Objective An estimated two billion people worldwide live with hepatitis B virus (HBV) infection. Many of these are women of reproductive age. Studies that have examined pregnancy outcomes in women living with HBV have reported conflicting results in relation to the incidence of gestational diabetes (GDM). The aim of this study is to examine if gestational diabetes is more common in women with chronic HBV residing in a non-Asian country. Design Cross-sectional study. Setting Victoria, Australia. Population All singleton births between 2009 and 2017. Methods Poisson regression was performed to determine whether gestational diabetes is more common in women with HBV than in women without HBV taking into account other risk factors such as maternal age, body mass index (BMI), parity and country of birth. Main outcome measure Gestational diabetes diagnosis in women with chronic HBV infection. Results For women with HBV, the unadjusted incidence risk ratio for GDM was 1.75 (95% CI 1.6-1.9). After adjusting for region of birth, BMI, parity, age and smoking, the adjusted incidence risk ratio was 1.2 (95% CI 1.1-1.3). The highest incidence (37.1%) of GDM was in women with HBV and a BMI of >40. Conclusions The findings from this study confirm an association between HBV and GDM. Tweetable abstract HBV is associated with GDM with an incidence risk ratio for GDM of 1.75 (95% CI 1.6-1.9).
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