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Pre-eclampsia is a multi-system disorder specific to pregnancy, characterized by the new onset of high blood pressure and often a significant amount of protein in the urine or by the new onset of high blood pressure along with significant end-organ damage, with or without the proteinuria.
The diagnostic criterion for pre-eclampsia is high blood pressure, occurring after 20 weeks gestation or during the second half of pregnancy. [1] Most often it occurs during the 3rd trimester of pregnancy and may occur before, during, or after delivery. [1] The seizures are of the tonic–clonic type and typically last about a minute. [1]
Signs and symptoms of pregnancy are common, benign conditions that result from the changes to the body that occur during pregnancy. Signs and symptoms of pregnancy typically change as pregnancy progresses, although several symptoms may be present throughout. Depending on severity, common symptoms in pregnancy can develop into complications ...
"My sickness started early on – from the second I knew I was pregnant, before I even took a test," Ms McIntyre told BBC News. "Around about six weeks, the morning sickness really kicked in ...
For example, morning sickness is a fairly common mild symptom of pregnancy that generally resolves in the second trimester, but hyperemesis gravidarum is a severe form of this symptom that sometimes requires medical intervention to prevent electrolyte imbalances from severe vomiting.
They are one of the three major causes of death in pregnancy (16%) along with post partum bleeding (13%) and puerperal infections (2%). [6] Hypertensive disorders during pregnancy, such as gestational hypertension, preeclampsia, and eclampsia, are a major contributor to maternal and fetal illness and death on a worldwide scale.
During pregnancy the plasma volume increases by 40-50% and the red blood cell volume increases only by 20–30%. [22] These changes occur mostly in the second trimester and prior to 32 weeks gestation. [24] Due to dilution, the net result is a decrease in hematocrit or hemoglobin, which are measures of red blood cell concentration.
Many symptoms and discomforts of pregnancy, such as nausea and tender breasts, appear in the first trimester. [56] During the second trimester, most women feel more energized and put on weight as the symptoms of morning sickness subside. They begin to feel regular fetal movements, which can become strong and even disruptive. [citation needed]