Spiral aery is a branch of
Uterine aery
Arcuate aery
Vesical aery
Ovarian aery
Spiral aery are small aeries which temporarly supply blood to endometrium of the uterus during the leteal phase of the menstrual cycle.The spiral aries are conveed for uteroplacental blood flow during pregnancy. imageRef - Semantischolar.org
Abdomen and pelvis