Table 3: Wall thickness: luminal diameter ratios of segments of uterine artery by gravid status
Segment of uterine artery	Gravid status	Ratio
Proximal	Gravid	3:10
	Non gravid	4:10
Middle	Gravid	3:10
	Non gravid	4:10
Distal	Gravid	3:10
	Non gravid	4:10