Table 1 Comparison of maternal characteristics and the results of 75gOGTT at 24–34 weeks of gestation between women carrying a male fetus (the male group) and those carrying a female fetus (the female group)
From: Fetal sex and maternal insulin resistance during mid-pregnancy: a retrospective cohort study
Male group (n = 338) | Female group (n = 279) | P value | |
|---|---|---|---|
Age (years) | 32.5 ± 4.9 | 32.4 ± 5.0 | 0.75 |
Primiparity (%) | 145 (43%) | 122 (44%) | 0.94 |
Pre-pregnancy BMI (kg/m2) | 22.5 ± 4.2 | 22.7 ± 4.8 | 0.51 |
GA at OGTT (weeks) | 29.0 ± 2.5 | 28.9 ± 2.5 | 0.34 |
FPG (mg/dl) | 81.3 ± 8.6 | 81.6 ± 7.6 | 0.35 |
1hr-PG (mg/dl) | 155.3 ± 31.2 | 158.5 ± 29.7 | 0.18 |
2hr-PG (mg/dl) | 132.9 ± 28.4 | 133.5 ± 28.5 | 0.85 |
FIRI (µU/mL) | 6.2 (4.6–8.8) | 7.0 (5-9.6) | 0.0090 |
1 h-IRI (µU/mL) | 57.7 (38.1–86.7) | 60.5 (42.1–86.9) | 0.28 |
2 h-IRI (µU/mL) | 53.1 (38.3–74.8) | 52.1 (36.0-79.7) | 0.86 |
HbA1c (%) | 5.3 ± 0.5 | 5.4 ± 0.5 | 0.74 |
GDM (%) | 138 (41%) | 120 (43%) | 0.63 |
JSOG-GDM | 47 (14%) | 43 (15%) | 0.80 |
IADPSG-GDM | 91 (27%) | 77 (28%) |