<prompt> Uterine souffle is defined asIs a soft blowing murmur synchronous with foetal hea soundsIs due to increase in blood flow through the dilated uterine vesselsIs due to the active foetal movementsIndicates the underlying foetal distress  <response>: The uterine souffle is a soft, blowing sound that is synchronous with the maternal pulse.It is usually heard most distinctly near the lower poion of the uterus.This sound is produced by the passage of blood through the dilated uterine vessels.It also may be heard with any condition in which uterine blood flow is greatly increased, for example, with large uterine myomas or ovarian tumours. 