Table III.
Association of prenatal famine exposure in females with reproductive performance compared with unexposed controls (n = 593).
| Period of gestational exposure |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Exposed any week |
Weeks 1–10 |
Weeks 11–20 |
Weeks 21–30 |
Weeks 31 to delivery |
||||||||
| OR | 95% CI | P-value | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | P-value | |
| Nulliparity | ||||||||||||
| Unadjusted | 0.81 | 0.47, 1.42 | 0.47 | 0.63 | 0.19, 2.16 | 0.53 | 0.20, 1.43 | 1.33 | 0.62, 2.86 | 1.03 | 0.48, 2.19 | 0.57 |
| Adjusted | 0.95 | 0.53, 1.69 | 0.85 | 0.71 | 0.21, 2.44 | 0.58 | 0.21, 1.59 | 1.45 | 0.66, 3.17 | 1.16 | 0.53, 2.52 | 0.57 |
| Difficulties conceiving | ||||||||||||
| Unadjusted | 0.79 | 0.48, 1.29 | 0.35 | 0.57 | 0.21, 1.53 | 0.84 | 0.40, 1.77 | 1.69 | 0.84, 3.40 | 0.55 | 0.26, 1.20 | 0.29 |
| Adjusted | 0.78 | 0.47, 1.28 | 0.32 | 0.57 | 0.21, 1.56 | 0.81 | 0.38, 1.73 | 1.72 | 0.85, 3.49 | 0.54 | 0.25, 1.18 | 0.27 |
Odds ratio (OR) with 95% CI were obtained by logistic regression with correction for clustering of sibships. Adjusted for age and smoking status. P-value for test of association for all four 10-week exposure periods considered as a group (Wald test, four degrees of freedom).