Any situation in a pregnancy that adversely affects the health of the mother or the baby is called a high rish pregnancy. Preeclampsia is associated with abnormal placental development which leads to narrowing of the blood vessels supplying various organs of the woman's body. Some of the complications that a pregnant woman might have are Convulsions caused by Preeclampsia, temporary shut down of the functioning of the kidneys and thirdly, the HELLP Syndrome where the liver is affected. Dr. Harsha Reddy, , explains what could occur during a high risk pregnancy caused by hypertension. For more information visit care.com