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[Fetal megalosomia: clinical and prognostic value of main risk factors]
1Universita degli Studi di Roma "La Sapienza"--Roma Scuola Autonoma di Ostetricia di Camerino.
Abstract:
Fetal megalosomia associates with an increased risk of maternal and perinatal pathology. However it is right to make a clear distinction between "physiologic" megalosomia, expression of a high genetic potential of growth from the fetus, and megalosomia referable to any maternal pathology. While the first one entails problems of obstetric management at the most, the second one compels to take measures in order to reduce its incidence. A sample of 45 fetuses with megalosomia was studied retrospectively and compared with a standard sample, randomly selected among the fetuses, term delivered, who in the same period considered (January 1990-January 1994) weighed less than 4 kg at birth. This was done in order to verify which of the risk factors of fetal megalosomia reported in the medical literature affects the most the people who address our Institute. Important risk factors resulted, besides maternal height and postdatism, pre-gestational overweight and obesity. The prognostic significance of the factors, such as advanced maternal age, multiparity, male sex of the unborn child, excessive maternal weight gain during pregnancy, previous megalosomia, was of more difficult interpretation. In our experience, gestational diabetes didn't play the role, universally recognized to it, of the most important risk factor of fetal megalosomia.
Insights
Fetal megalosomia, or excessively large fetuses, is linked to maternal health risks. Key factors include maternal height, post-term birth, and pre-pregnancy weight, not always gestational diabetes.
Area of Science:
- Obstetrics and Gynecology
- Perinatal Medicine
- Maternal-Fetal Medicine
Context:
- Fetal megalosomia is associated with increased maternal and perinatal pathology.
- Distinguishing physiologic megalosomia from that caused by maternal pathology is crucial for management.
- Understanding risk factors is essential for reducing incidence and improving outcomes.
Purpose:
- To retrospectively analyze risk factors for fetal megalosomia in a specific patient population.
- To compare the incidence of reported risk factors in cases of fetal megalosomia.
- To identify the most significant risk factors affecting patients at the institute.
Summary:
- A retrospective study of 45 fetuses with megalosomia compared them to a control group.
- Significant risk factors identified were maternal height, post-datism, and pre-gestational overweight/obesity.
- Gestational diabetes was not found to be the primary risk factor in this cohort, contrary to some literature.
Impact:
- Provides insight into the most prevalent risk factors for fetal megalosomia in a specific demographic.
- Highlights the importance of pre-pregnancy weight and maternal stature in fetal growth.
- Suggests a need for tailored risk assessment and management strategies for fetal megalosomia.