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Cellular changes in the placenta in pregnancies complicated with diabetes / Cambios celulares en la placenta en embarazos complicados con diabetes
Verma, Ranjana; Mishra, Sabita; Kaul, Jagat Mohini.
  • Verma, Ranjana; Maulana Azad Medical College. Department of Anatomy. IN
  • Mishra, Sabita; Maulana Azad Medical College. Department of Anatomy. IN
  • Kaul, Jagat Mohini; Maulana Azad Medical College. Department of Anatomy. IN
Int. j. morphol ; 28(1): 259-264, Mar. 2010. ilus
Article in English | LILACS | ID: lil-579312
ABSTRACT
Placenta is the most accurate record of the infant prenatal experience. After delivery if the placenta is examined minutely, it provides much insight into the prenatal health of the baby and the mother. In diabetic pregnancy, placental weight is higher in comparison to normal pregnancy. To study the cellular differences that might contribute to larger size of placenta, light microscopic analysis was performed on 25 full term placentas, out of which 20 were of Gestational diabetes mellitus (12 controlled on diet, 8 controlled on insulin) and 5 control group. Tissue sections were processed and analyzed. Birth weight of neonate, placental weight, vascular pattern of chorionic blood vessels and site of attachment of umbilical cord were recorded. In the placenta of diabetic pregnants, gross abnormalities were uncommon but microscopic examination exhibited, to a varying degree, lesions like syncytial knots, fibrinoid necrosis, villous edema, villous fibrosis and capillary proliferation. These findings indicate that control of hyperglycemia only partially prevents the development of placental abnormalities which must be due to some other constituent factor of diabetic state.
RESUMEN
La placenta es el registro más preciso de la experiencia prenatal infantil. Después del parto, si la placenta se examina minuciosamente, esta proporciona una visión de la salud prenatal del bebé y la madre. En el embarazo con diabetes, el peso de la placenta es mayor en comparación con el embarazo normal. Para estudiar las diferencias celulares que podrían contribuir al mayor tamaño de la placenta, se realizó el análisis en microscópico de luz en 25 placentas de término, de las cuales 20 fueron diabetes mellitus gestacional (12 controladas por dieta, 8 controlodas por insulina) y 5 del grupo control. Los cortes fueron procesados y analizados. El peso al nacer de los recién nacidos, el peso de la placenta, el patrón vascular de los vasos sanguíneos coriónicos y el lugar de inserción del cordón umbilical fueron registrados. En la placenta de las embarazadas con diabetes, alteraciones graves fueron poco frecuentes, pero el exámen microscópico mostró, en grado variable, lesiones como nudos sincisiales, necrosis fibrinoide, edema de las vellosidades, vellosidades fibrosas y proliferación capilar. Estos resultados indican que el control de la hiperglucemia sólo en parte impide el desarrollo de anormalidades de la placenta las cuales deben producirce por algún otro factor constituyente del estado diabético.
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Full text: Available Index: LILACS (Americas) Main subject: Placenta / Diabetes, Gestational Limits: Adult / Female / Humans / Infant, Newborn / Pregnancy Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2010 Type: Article Affiliation country: India Institution/Affiliation country: Maulana Azad Medical College/IN

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Full text: Available Index: LILACS (Americas) Main subject: Placenta / Diabetes, Gestational Limits: Adult / Female / Humans / Infant, Newborn / Pregnancy Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2010 Type: Article Affiliation country: India Institution/Affiliation country: Maulana Azad Medical College/IN