Structural-tridimensional study of yolk sac in pregnancies complicated by diabetes
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Erich Cosmi
Abstract
Objectives: To assess by two- and three-dimensional ultrasound the diameter and volume of the yolk sac in pregnant women affected by type 1 diabetes during the first trimester of pregnancy.
Methods: 18 women affected by insulin-dependent diabetes mellitus (IDDM) and 52 normoglycemic pregnant women (controls) were enrolled in this study. The women were evaluated once a week (5–12 weeks of pregnancy). Ultrasound examination in all pregnant women was initially performed in a bidimensional fashion with a transvaginal 6.5-MHz probe and subsequently using a three-dimensional technique.
Results: In the pregnant diabetic women the diameter of the yolk sac was significantly higher than that of controls in the first weeks of pregnancy, reaching a maximum diameter at 9 weeks, and decreasing thereafter, earlier than controls. The volume of the yolk sac increased in both groups from 5 weeks of pregnancy and reached maximum values at 10 weeks in both groups. The volumetric increase and decrease after reaching highest values were greater in IDDM patients.
Conclusion: The clinical and diagnostic implications of the results of this study are still to be defined. Such a diagnostic technique may prove to be an additional element in monitoring diabetic women during early pregnancy.
References
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©2005 by Walter de Gruyter Berlin New York
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Articles in the same Issue
- Declining fertility in the developed world and high maternal mortality in developing countries – how do we respond?
- Maternal obesity and complications during pregnancy
- Cesarean section upon request: is it appropriate for everybody?
- Reply to: Cesarean section upon request: is it appropriate for everybody?
- Characteristics of mothers who delivered the heaviest, average-weight, and lightest triplet sets
- Gestational age-specific distribution of twin birth weight discordance
- The comparison of amino-terminal probrain natriuretic peptide levels in preeclampsia and normotensive pregnancy
- Optimal timing for postprandial glucose measurement in pregnant women with diabetes and a non-diabetic pregnant population evaluated by the Continuous Glucose Monitoring System (CGMS®)
- Structural-tridimensional study of yolk sac in pregnancies complicated by diabetes
- Is cervical dilatation during parturition at term associated with apoptosis?
- Increased soluble VCAM-1 serum levels in preeclampsia are not correlated to urinary excretion or circadian blood pressure rhythm
- The association of birthweight with maternal and cord serum and amniotic fluid growth hormone and insulin levels, and with neonatal and maternal factors in pregnant women who delivered at term
- Amniotic fluid lamellar body counts for the determination of fetal lung maturity: an update
- Comparison of clinical criteria with echocardiographic findings in diagnosing PDA in preterm infants
- Sudden infant death syndrome “gray zone” disclosed only by a study of the brain stem on serial sections
- Incidence and diagnosis of unilateral arterial cerebral infarction in newborn infants
- Non-hydropic intrauterine fetal death more than 5 months after primary parvovirus B19 infection
- A new syndrome of myopathy with muscle spindle excess*
- Causes of left ventricular hypertrabeculation/non-compaction in a neonate and her mother
