Stereological and histopathological assessment of intrauterine growth restriction placenta from Saudi women.

Mojammamy N, Noura Mojammamy, Nada Alayed, Alayed N, Aljerian K, Khaldoon Aljerian, Waleed Aldahmash, Aldahmash W, Abdel Halim Harrath, Alwasel S, Saleh Alwasel
Saudi journal of biological sciences · 2023 · doi:10.1016/j.sjbs.2022.103482 · PMID:36387028 · PMC9664019
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Abstract

BackgroundPlacental insufficiency causes fetal adaptation, leading to fetal programming of chronic diseases. Placentas with intrauterine growth restriction (IUGR) are smaller than average and may contribute to low birth weight of the newborn. The number of patients with IUGR in the Saudi population is increasing; however, little is known about their placentas. The aim of this study was to assess morphometric and histopathological placental changes in Saudi patients with IUGR.MethodsOverall, 20 healthy pregnant Saudi women (control group) and 20 pregnant Saudi women with IUGR were enrolled. Maternal and fetal morphometric measurements were recorded. The placentas from both groups were processed for histopathological examination using stereological techniques.ResultsThe IUGR group had lower placental weight, volume, length, breadth, and surface area than the control group. The total volume of villi and surface area of the terminal villi were significantly reduced in the IUGR placentas. IUGR group had a reduction in birth weight; length; and circumference of the head, chest, abdomen, and thigh compared to control group.ConclusionThe reduction in placental mass, specifically the reduction in the volume and surface area of villi, the functional units, may have reduced the capacity for nutrient transport. This led to a significant reduction in neonatal measurements. The fetus rearranged nutrient distribution in favor of the brain and other essential organs; however, at the expense of thigh development and growth. This fetal trade-off strategy increases the risk of developing chronic diseases in adulthood. Therefore, IUGR infants may require more clinical attention.

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[{'doi': '10.13039/501100002383', 'name': 'King Saud University', 'awards': ['RSP-2022/59']}]

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License: CC-BY-NC-ND-4.0