Differential trend of mild and severe preeclampsia among nulliparous women: a population-based study of South Korea
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We explored the annual risks of mild and severe preeclampsia (PE) among nulliparous women. Using the National Health Information Database of South Korea, 1,317,944 nulliparous women who gave live births were identified. Mild PE increased from 0.9% in 2010 to 1... ...