Intrapartum Ultrasound Assessment of Fetal Spine Position

Table 1

Data about general maternal foetal features and labour characteristics.

Maternal, fetal, and labour features
Variables		Number	Mean (±standard deviation)	Range
Maternal age; (years)		256	31.06 (5.55)	17–42
Gestational age; at birth; (weeks)		256	39.41 (0.90)	39–41
Neonatal birth weight; (gr)		256	3422.81 (389.63)	2300–4285
Neonatal length; (cm)		256	49.37 (1.56)	46–53
Length of first stage of labour; (minutes)		210*	269.88 (128.96)	45–595
Length of second stage of labour; (minutes)		210*	59.55 (32.96)	10–165
Total length of labour; (minutes)		210*	329.43 (151.76)	60–725
Variables	Groups	Number (percentage)
Parity	Nulliparous	163 (63.7)
	Primiparous	66 (25.8)
	Multiparous	27 (10.5)
Type of labour	Spontaneous	182 (71.1)
	Induced	74 (28.9)
Epidural analgesia	Yes	57 (23.3)
	No	199 (77.7)
Type of delivery	Spontaneous	168 ( 65.6)
	Operative	42 (16.4)
	Cesarean section	46 (18.0)
Indication for cesarean section	Dystocia	13 (5.1)
	Non reassuring; Fetal heart rate	33 (12.9)

∗Data about only patients who delivered through the vaginal route.