Table 1.

Demographic characteristics of study and control groups

	Isolated single umbilical artery group (n=93)	Control group (n=100)	p value
Maternal age (years)	27.1±5.37	27.4±5.28	0.623
Body Mass Index (kg/m2)	28.3±4.28	28.3±3.38	0.628
Maternal gravidity	3.91±1.96	3.84±1.04	0.653
Maternal parity	2.1±0.98	2.3±1.2	0.886

Values are compared by Mann-Whitney U test and are presented as means±standard deviations. P<0.05 is considered statistically significant