<unk> , also known as maternal<unk>  disorder, is a group of high blood pressure disorders that include preeclampsia, preeclampsia superimposed on chronic hypertension, gestational hypertension, and chronic hypertension. Maternal<unk>  disorders occurred in about 20.7 million women in 2013. About 10% of pregnancies globally are complicated by<unk>  diseases. In the United States,<unk>  affects about 8% to 13% of pregnancies. Rates have increased in the developing world. They resulted in 29,000 deaths in 2013 down from 37,000 deaths in 1990. They are one of the three major causes of death in pregnancy (16%) along with post partum bleeding (13%) and puerperal infections (2%).
Hypertensive disease of pregnancy
Pre-eclampsia
Eclampsia
Early pregnancy bleeding
Hypercoagulability in pregnancy
Gestational hypertension
High-risk pregnancy
Pre-existing disease in pregnancy