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Erschienen in:
01.01.2008 | Original Article
The association of triple-marker test results with adverse pregnancy outcomes in low-risk pregnancies with healthy newborns
Erschienen in: Archives of Gynecology and Obstetrics | Ausgabe 1/2008
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Objective
This study was designed to investigate the relationship between the second trimester maternal serum markers and adverse pregnancy outcomes in healthy newborns.
Materials and methods
A total of 749 women who delivered in our institution with complete follow up and second-trimester triple marker test data available were included in the study. Women with multiple pregnancies, chronic diseases, diabetes mellitus, obesity, smokers and infants with chromosomal and congenital abnormalities were excluded. Maternal serum alpha-fetoprotein (AFP), human chorionic gonadotropin (HCG) and unconjugated estriol (uE3) values were investigated in our cohort who developed preeclampsia (n = 28), gestational diabetes (GM) (n = 69), preterm labor-birth (n = 100), oligohydramnios (n = 37) and macrosomia (n = 59) by using receiver operating characteristic (ROC) curve analysis, with chi-square and Pearson’s correlation tests.
Results
Women with uE3 ≤ 1.26 MoM (P = 0.001, AUC = 0.666), HCG > 1.04 MoM (P = 0.032, AUC = 0.599) or AFP ≤ 0.69 MoM (P = 0.049, AUC = 0.600) values significantly developed oligohydramnios. Also, macrosomic infants were observed in women who had HCG values > 0.86 MoM (P = 0.047, AUC = 0.578). Patients with HCG > 1.04 MoM (P = 0.04, AUC = 0.565) and uE3 ≤0.88 MoM (P = 0.049, AUC = 0.571) developed GDM. HCG levels ≥2.5 or ≥3 MoM were significantly associated with the development of oligohydramnios [P = 0.005; OR = 4 (95% CI: 1.7–9.7)], [P = 0.008; OR = 4.9 (95% CI: 1.7–13.7)], respectively. When women with adverse (n = 237) and normal (n = 512) outcomes were compared there were significant differences in maternal serum AFP (1.40 ± 0.84 vs. 1.23 ± 0.75 MoM, P = 0.006) and uE3 values (1.38 ± 1.42 vs. 1.45 ± 0.98 MoM, P = 0.001).
Conclusions
Serum estriol, AFP or HCG values in triple test results may be associated with development of oligohydramnios, gestational diabetes and macrosomia in women with healthy and normal appearing fetuses.