Fig. 2
From: CIRSE standards of practice on gynaecological and obstetric haemorrhage
a-d Anatomic variations of normal uterine artery. a Uterine artery as 1st branch from inferior gluteal art (type I). b Uterine artery as 2nd or 3rd branch from inferior gluteal art (type II). c Inferior gluteal, superior gluteal artery, and the uterine artery all arise at the same level (trifurcation) (type III). d Uterine artery arises proximal to the origin of the inferior gluteal & superior gluteal arteries (type IV)