Pregnant women (n=400)
Characteristics of Mothers X±SD/Median (min-max)
Age (year)
27 (18-44)
Nulliparous (n; %)
186; 46.5%
Parous (n; %)
214; 53.5%
Vaginal delivery (n; %)
309; 77.3%
Cesarean (n; %)
91; 22.8%
Active phase duration (min) (n=318)
95 (10-600)
Second stage duration (min) (n=309)
15 (5-150)
Characteristics of Babies
Birth weight of the baby (gr)
3239.77±359.07
Biparietal diameter (mm)
90 (76-98)
Abdominal circumference (mm)
343.65±12.28
Thigh circumference (mm)
72.50±3.33
Soft tissue thickness of the anterior abdominal wall (mm)
7.89±1.65
Soft tissue thickness of thigh (mm)
5.54±1.29
Soft tissue thickness of arm (mm)
4.99±1.19
Total adipose tissue/composite (mm)
18.42±3.35
Presence of shoulder dystocia (n; %)
13; 3.3 %
Presence of labor protraction (n; %)
113; 28.3%
Presence of labor arrest in active phase (n; %)
30;7.5%
Presence of labor arrest in second phase (n; %)
8;2%