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Carcinoembryonic antigen in high risk pregnancies
Summary
Carcinoembryonic antigen (CEA) levels in maternal serum, cord serum, and amniotic fluid do not reliably predict fetal condition in high-risk pregnancies. Measurement of CEA is not a useful diagnostic tool for diabetic, Rh-negative, or prolonged pregnancies.
Area of Science:
- Obstetrics and Gynecology
- Clinical Chemistry
- Maternal-Fetal Medicine
Background:
- Carcinoembryonic antigen (CEA) is a tumor marker with potential roles in pregnancy monitoring.
- High-risk pregnancies, including diabetes mellitus, Rh sensitization, and prolonged gestation, require accurate fetal assessment methods.
Purpose of the Study:
- To evaluate the clinical significance of carcinoembryonic antigen (CEA) measurements in various high-risk pregnancies.
- To determine if CEA levels can predict fetal condition in complicated pregnancies.
Main Methods:
- Maternal serum, umbilical cord serum, and amniotic fluid CEA levels were measured in pregnant women with diabetes mellitus, Rh-negative sensitization, prolonged pregnancies, and normal pregnancies.
- CEA values were analyzed across different gestational weeks (24-42 weeks).
Main Results:
- CEA levels in maternal serum, cord serum, and amniotic fluid remained stable throughout gestation in normal pregnancies.
- No significant differences in CEA levels were observed between diabetic, Rh-negative sensitized, and normal pregnancies.
- Prolonged pregnancies showed significantly higher amniotic fluid CEA, likely due to meconium presence.
Conclusions:
- CEA measurement is not a useful predictor of fetal condition in high-risk pregnancies.
- The utility of CEA as a biomarker for fetal well-being in complicated pregnancies is limited.