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In this report, we present the terminology, definition and classification of pregnancy induced hypertension (PIH) by the Japan Society for the Study of Hypertension in Pregnancy (JSSHP). PIH is classified as gestational hypertension (GH), preeclampsia (PE), superimposed preeclampsia (S-PE) or eclampsia (E). Subclassifications by symptoms (severity and gestational age at onset) are also shown.
Watanabe et al. (Tue,) studied this question.