n | SF | NP | NVP | P valuea | |
---|---|---|---|---|---|
51 675 | (n = 14 234) | (n = 20 371) | (n = 17 070) | ||
n (%) | n (%) | n (%) | |||
Gestation length | 51 675 | 0.001 | |||
Normal range 37–42 weeks | 49 181 | 13 460 (94.6) | 19 461 (95.5) | 16 260 (95.3) | |
Early birth 35–36 weeks | 1545 | 491 (3.4) | 553 (2.7) | 501 (2.9) | |
Very early birth 28–34 weeks | 949 | 283 (2.0) | 357 (1.8) | 309 (1.8) | |
Caesarean delivery | 51 675 | <0.001 | |||
No | 44 416 | 12 104 (85.0) | 17 654 (86.7) | 14 658 (85.9) | |
Planned caesarean delivery | 2544 | 644 (4.5) | 1027 (5.0) | 873 (5.1) | |
Emergency caesarean delivery | 4065 | 1270 (8.9) | 1447 (7.1) | 1348 (7.9) | |
Unspecified | 650 | 216 (1.5) | 243 (1.2) | 191 (1.1) | |
If yes to caesarean delivery, reason | <0.001 | ||||
Breech presentation | 756 | 283 (29.1) | 258 (19.9) | 215 (21.0) | |
Previous caesarean delivery | 447 | 116 (11.9) | 194 (14.9) | 137 (13.4) | |
Pregnancy complication/ill mother | 650 | 175 (18.0) | 262 (20.2) | 213 (20.8) | |
Poor growth/fetus complication | 198 | 68 (7.0) | 83 (6.4) | 47 (4.6) | |
Own preference | 314 | 76 (7.8) | 130 (10.0) | 108 (10.5) | |
Other | 931 | 255 (26.2) | 371 (28.6) | 305 (29.8) | |
Multiple answers | 465 | ||||
Mortality | 51 675 | 0.60 | |||
Born alive, lived >1 y | 51 585 | 14 206 (99.8) | 20 340 (99.8) | 17 039 (99.8) | |
Born alive, died ≤1 y | 90 | 28 (0.2) | 31 (0.2) | 31 (0.2) | |
Anthropometry | Mean (SD) | Mean (SD) | Mean (SD) | P valueb | |
Weight of placenta at birth (g) | 50 115 | 661.5 (145.2) | 677.9 (145.9) | 678.3 (144.9) | <0.001 |
Weight of infant at birth (g) | 51 106 | 3561.5 (515.1) | 3638.5 (506.4) | 3605.5 (508.6) | <0.001 |
Length of infant at birth (cm) | 49 180 | 50.4 (2.1) | 50.6 (2.0) | 50.4 (2.1) | <0.001 |
Head circ. of infant at birth (cm) | 50 319 | 35.3 (1.5) | 35.4 (1.5) | 35.3 (1.5) | <0.001 |