Pre-eclampsia epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ogheneochuko Ajari, MB.BS, MS [2]
Epidemiology and Demographics
Pre-eclampsia occurs in 6% of pregnancies, usually in the second or third trimester, and after the 32nd week. Some women will experience pre-eclampsia as early as 20 weeks, though this is rare. It is much more common in women who are pregnant for the first time.[1]
Pre-eclampsia is also more common in women who have preexisting hypertension, diabetes, autoimmune diseases like lupus, various inherited thrombophilias like Factor V Leiden, or renal disease, in women with a family history of pre-eclampsia, obese women, and in women with a multiple gestation (twins, triplets, and more). The single most significant risk for developing pre-eclampsia is having had pre-eclampsia in a previous pregnancy.
Pre-eclampsia may also occur in the immediate post-partum period or up to 6-8 weeks post-partum. This is referred to as "postpartum pre-eclampsia." The most dangerous time for the mother is the 24-48 hours postpartum and careful attention should be paid to pre-eclampsia signs and symptoms.
References
- ↑ Robbins and Cotran, Pathological Basis of Disease, 7th ed.