Table II.
Fertility problems and deliveries in 956 women by obstetrical exposure at first delivery.
| Unlabored Cesarean (N = 195) | Cesarean in labor (N = 209) | Cesarean after complete dilation (N = 130) | Spontaneous vaginal delivery (N = 328) | Vacuum delivery (N = 34) | Forceps delivery (N = 60) | P valuea | |
|---|---|---|---|---|---|---|---|
| Infertility prior to first delivery (%) | 21 | 23 | 22 | 19 | 18 | 25 | 0.770 |
| Infertility after first delivery (%) | 18 | 16 | 14 | 17 | 12 | 13 | 0.844 |
| Interval between first and second birth (months)b | 30.4 (22.8, 46.9) | 32.0 (22.9, 44.1) | 30.7 (24.6, 38.6) | 31.8 (24.7, 43.6) | 29.8 (23.5, 37.7) | 27.0 (20.0, 33.0) | 0.081 |
| Current parity ≥2 (%) | 73 | 76 | 75 | 78 | 74 | 67 | 0.469 |
aPearson's χ2 test for categorical variables and Kruskall–Wallis test for continuous variables.
bAmong 722 women with current parity ≥2; data are median (interquartile range).