From: Amniotic fluid disorders and the effects on prenatal outcome: a retrospective cohort study
Normal AFI N (%) | Polyhydramnios N (%) | Oligohydramnios N (%) | P- value | ||
---|---|---|---|---|---|
Maternal age | ≤ 35 | 329 (77.4%) | 9 (64.3%) | 50(86.2%) | 0.14 |
> 35 | 96 (22.6%) | 5 (35.7%) | 8 (13.8%) | ||
Maternal parity | Primigravida | 105 (24.7%) | 3 (21.4%) | 16 (27.6%) | 0.85 |
Multigravida | 320 (75.3%) | 11 (78.6%) | 42 (72.4%) | ||
BMI | < 25 | 44 (10.3%) | 0 (0.0%) | 4 (6.9%) | 0.76 |
25–29.9 | 138 (32.5%) | 4 (28.6%) | 19 (32.8%) | ||
≥30 | 243 (57.2) | 10 (71.4%) | 35 (60.3%) | ||
Gestational age at delivery | Preterm < 37 weeks | 21 (5.0%) | 2 (14.3%) | 8 (13.8%) | 0.005 |
Term 37–41 weeks | 366 (86.1%) | 9 (64.3%) | 49 (84.5%) | ||
Late term ≥42 | 38 (8.9%) | 3 (21.4%) | 1 (1.7%) | ||
Admission of baby | Nursery 405 | 352 (83.0%) | 9 (64.3%) | 44 (75.9%) | 0.11 |
NICU 91 | 72 (17.0%) | 5 (35.7%) | 14 (24.1%) | ||
Mode of delivery | Vaginal | 256 (60.2%) | 2 (14.3%) | 36 (62.1%) | 0.008 |
Instrumental | 19 (4.5%) | 2 (14.3%) | 2 (3.4%) | ||
Emergency CS | 78 (18.4%) | 5 (35.7%) | 14 (24.1%) | ||
Elective CS | 72 (16.9%) | 5 (35.7%) | 6 (10.3%) | ||
Neonatal birth weight | < 1 kg | 4 (0.9%) | 0 (0.0%) | 1 (1.7%) | < 0.01 |
1–1.4 kg | 10 (2.4%) | 0 (0.0%) | 4 (6.9%) | ||
1.5–2.4 kg | 19 (4.5%) | 0 (0.0%) | 10 (17.2%) | ||
2.5 - 4 kg | 365 (86%) | 12 (85.7%) | 38 (65.5%) | ||
> 4 kg | 26 (61.3%) | 2 (14.3%) | 5 (8.6%) | ||
Congenital malformation | No anomaly | 398 (93.8%) | 12 (85.7%) | 55 (94.8%) | 0.16 |
Cardiovascular | 11 (2.6%) | 2 (14.3%) | 0 (0.0%) | ||
Neurological | 1 (0.2%) | 0 (0.0%) | 0 (0.0%) | ||
Renal | 14 (3.3%) | 0 (0.0%) | 3 (5.2%) |