Research Article

Diagnostic Value and High-Risk Factors of Two-Dimensional Ultrasonography Combined with Four-Dimensional Ultrasonography in Prenatal Ultrasound Screening of Fetal Congenital Malformations

Table 5

Logistic regression analysis of risk factors for fetal malformations.

Risk factorsSEOR95% CI

Age (0: <35, 1: ≥35)0.6960.2600.0072.0051.204-3.338
History of adverse pregnancy and childbirth (0: no, 1: yes)2.0760.6370.0017.9742.288-27.793
Folic acid supplementation (0: no, 1: yes)-3.2320.7900.0000.0390.008-0.186
Medication history during pregnancy (0: no, 1: yes)2.1170.5300.0008.3062.941-23.461
Toxic exposure during pregnancy (0: no, 1: yes)0.9590.3720.0102.6101.258-5.415
History of seropositive for TORCH-IgM (0: no, 1: yes)0.8310.3480.0172.2961.160-4.542