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Comparative analysis of placental lesions in early- and late-onset preeclampsia

Grant number: 12/08476-1
Support type:Scholarships abroad - Research Internship - Master's degree
Effective date (Start): August 01, 2012
Effective date (End): August 31, 2012
Field of knowledge:Health Sciences - Medicine - Maternal and Child Health
Principal researcher:Maria Terezinha Serrão Peraçoli
Grantee:Ingrid Cristina Weel
Supervisor abroad: Steven S. Witkin
Home Institution: Faculdade de Medicina (FMB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil
Research place: Cornell University, United States  
Associated to the scholarship:10/12892-5 - Immunohistochemical analysis of cytokines and pro-and anti-angiogenic factors in placenta of pregnant women with pre-eclampsia., BP.MS


Preeclampsia is a pregnancy-specific syndrome of humans, characterized by the appearance of hypertension and proteinuria after the 20th week of gestation. It is accepted that this disease originates in the placenta, probably due to factors involved in its formation and development. This project aims: a) to evaluate the histopathological lesions in placenta of pregnant women with PE comparing with normotensive pregnant women; b) to compare the frequency of newborns with intrauterine growth restriction between the groups of the women studied. Pregnant women with preeclampsia were classified according to the appearance of clinical symptoms in early-onset preeclampsia (<34 weeks gestation) and late-onset preeclampsia (e 34 weeks gestation). One hundred and forty pregnant women were selected, being 20 normotensive, 40 with early-onset PE and 80 with late-onset PE. A fragment of placenta was obtained immediately after delivery and prepared for histopathological analysis. The histological sections of 4 um-thick were placed on slides and staining with hematoxylin and eosin (HE). (AU)

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