A Woman Is Seven Months Pregnant,and Has Come to the Obstetrical

A woman is seven months pregnant,and has come to the obstetrical clinic for a routine prenatal examination.During the assessment,the nurse hears a soft blowing sound above the mother's symphysis pubis.The rate of sound is synchronous with the mother's heartbeat.The nurse identifies this as:

A) A normal sound called funic souffle.
B) A normal sound called uterine souffle.
C) An abnormal sound representing an aortic aneurysm.
D) An abnormal sound representing a false knot in the cord.