Total (n = 980) | CTG-abnormalities during or after ECV (n = 86) | No CTG-abnormalities during or after ECV (n = 894) | P-value | |
---|---|---|---|---|
Maternal age (years) | ||||
Mean, standard deviation | 31.2 (4.1) | 31.2 (3.7) | 31.3 (4.2) | 0.9 |
Range | 17–46 | 21–40 | 17–46 | |
Parity | ||||
Primiparous | 626 (64%) | 59 (69%) | 567 (63%) | 0.3 |
Multiparous | 354 (36%) | 27 (31%) | 327 (37%) | |
Gestational age at ECV (weeks and days) | ||||
Median | 35 + 6 | 36 + 0 | 35 + 6 | 0.4 |
Range | 34 + 0–41 + 5 | 34 + 0–38 + 0 | 34 + 2–41 + 5 | |
Type of breech | ||||
Non-Frank | 323 (34%) | 26 (30%) | 297 (34%) | 0.5 |
Frank | 630 (66%) | 60 (70%) | 570 (66%) | |
Estimated Fetal Weight (EFW in grams) | ||||
Mean, standard deviation | 2591 (316) | 2505 (276) | 2599 (319) | 0.009 |
Range | 1700–4000 | 1880–3526 | 1700–4000 | |
Fundal height (centimeters) | ||||
Mean, standard deviation | 32.8 (1.7) | 32.2 (1.2) | 32.8 (1.7) | 0.01 |
Range | 26–40 | 29–35 | 26–40 | |
Engagement | ||||
Breech above pelvic inlet | 481 (50%) | 35 (41%) | 446 (51%) | 0.08 |
Breech in pelvic inlet | 485 (50%) | 51 (59%) | 434 (49%) | |
Head palpable | ||||
No | 64 (7%) | 4 (5%) | 60 (7%) | 0.5 |
Yes | 912 (93%) | 82 (95%) | 830 (93%) | |
Placenta location | ||||
Posterior/lateral | 582 (60%) | 55 (65%) | 527 (59%) | 0.3 |
Anterior | 394 (40%) | 30 (35%) | 364 (41%) | |
Amniotic Fluid Index (AFI in cm) | ||||
> 10 | 392 (40%) | 25 (29%) | 367 (41%) | 0.03 |
≤ 10 | 586 (60%) | 61 (71%) | 525 (59%) | |
Duration ECV (in minutes) | ||||
Median | 2.50 | 4.15 | 2.45 | < 0.001 |
Range | 0.15–16.05 | 0.30–16.05 | 0.15–15.45 | |
Number of ECV attempts | ||||
Mean, standard deviation | 2.2 (1.4) | 2.3 (1.4) | 2.2 (1.4) | 0.5 |
Range | 1–7 | 1–6 | 1–7 | |
ECV success | ||||
Yes | 584 (60%) | 55 (64%) | 529 (59%) | 0.4 |
No | 396 (40%) | 31 (36%) | 365 (41%) | |
Delivery mode | ||||
Spontaneous vaginal | 494 (50%) | 48 (56%) | 446 (50%) | 0.3 |
Assisted vaginal and caesarean section | 486 (50%) | 38 (44%) | 448 (50%) | |
Gender newborn | ||||
Boy | 440 (45%) | 40 (48%) | 400 (45%) | 0.6 |
Girl | 537 (55%) | 44 (52%) | 493 (55%) | |
Birth weight (grams) | ||||
Median | 3322 | 3201 | 3325 | 0.009 |
Range | 1700–4705 | 1782–4280 | 1700–4705 |