Table 2: Maternal complications according to the BMI and weight gain.

Maternal complications BMI (kg/m2) Weight gain (kg)
<2020–24.925–29.9≥30 <8 kg8 kg–16 kg>16 kg

HTA (%)5 (5.6)47 (15.4)20 (44.4)14 (93.3)<0.0133 (11.4)42 (28)11 (78.6)<0.01
Dystocia (%)8 (7.8)119 (13.7)55 (15.8)27 (31)<0.0152 (9.8)122 (15.7)35 (34.7)<0.01
Haemorrhage (%) 6 (5.9)97 (11.1)42 (12.1)17 (19.5)0.0344 (8.3)95 (12.2)23 (22.8)<0.01
Infections (%)7 (6.9)126 (14.5)54 (15.5)27 (31)<0.0155 (10.4)124 (16)35 (34.7)<0.01
TP#   (%)7 (6.9)129 (14.8)45 (12.9)20 (23)0.01350 (10.6)120 (17.4)29 (36.7)<0.01
Mode delivery<0.01
 Vaginal delivery (%)94 (92.2)777 (89.2)305 (87.6)64 (73.6)473 (89.2)688 (88.5)79 (78.2)
 Caesarean section (%)8 (7.8)94 (10.8)43 (12.4)23 (26.4)57 (10.8)89 (11.5)22 (21.8)

HTA: hypertension.
TP: perineal trauma.
#Vaginal delivery; quantitative variables were expressed in average ± standard deviation, and qualitative variables were expressed in numbers and percentages.
Significant value < 0.05.