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Surface area of chorionic villi of placentas: An index of intrauterine growth restriction of fetuses

Aim:  Histomorphometric studies of placentas from idiopathic intrauterine growth restricted (IUGR) fetuses as well as normal‐weight (control) fetuses were performed to determine surface area of chorionic villi (mostly terminal and few intermediate) using stereological technique. The results were compared to determine the difference in the values of surface area of chorionic villi, and to establish any relationship between placental histomorphometric changes and IUGR.