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Calcium hormones in diabetic pregnancy
Bollettino Della Societa Italiana Di Biologia Sperimentale
|August 31, 1984
Summary
Diabetic pregnancy does not alter calcium, phosphorus, or parathyroid hormone levels. However, 25-hydroxycholecalciferol levels increase in the third trimester for both diabetic and non-diabetic pregnancies.
Area of Science:
- Endocrinology
- Obstetrics
- Metabolic Disorders
Background:
- Pregnancy involves significant physiological changes affecting mineral metabolism.
- Gestational diabetes mellitus (GDM) may impact calcium-hormone regulation.
- Understanding these hormonal shifts is crucial for maternal and fetal health.
Purpose of the Study:
- To investigate serum levels of key calcium-regulating hormones in women with diabetic pregnancy.
- To compare these levels with those in non-diabetic pregnant women and non-pregnant controls.
Main Methods:
- Studied 11 diabetic pregnant women from 16 to 36 weeks gestation.
- Measured serum total calcium, phosphorus, parathyroid hormone, calcitonin, and 25-hydroxycholecalciferol.
- Utilized conventional and radioimmunologic assays for serial measurements.
Main Results:
- Serum calcium, phosphorus, and parathyroid hormone levels were comparable between diabetic and non-diabetic pregnancies.
- Calcitonin levels were higher in pregnant women than non-pregnant controls but similar between diabetic and non-diabetic groups.
- Serum 25-hydroxycholecalciferol increased significantly in the third trimester for both groups, with a slightly later rise in diabetic pregnancies.
Conclusions:
- Diabetic pregnancy does not significantly alter serum calcium, phosphorus, or parathyroid hormone levels compared to normal pregnancy.
- Calcitonin levels are elevated during pregnancy but unaffected by diabetes.
- 25-hydroxycholecalciferol shows a delayed increase in the third trimester in diabetic pregnancies, suggesting potential implications for vitamin D status.