Abstract
A combined transvaginal 2D real-time and pulsed Doppler method was used for recording flow velocity waveforms in the uterine and ovarian arteries from 16 healthy women during the follicular and luteal phase of the normal menstrual cycle. Continuous forward end-diastolic flow velocities were documented in 74% of the ovarian artery and 96.5% of the uterine artery flow velocity waveforms. Comparison of the pulsatility index from the left and right ovarian artery revealed a significantly lower pulsatility index on the side of the ovary bearing the developing corpus luteum, suggesting reduced down-stream impedance or increased blood flow. The pulsatility index from the uterine artery only seems to be marginally involved in the observed impedance changes during the luteal phase of the menstrual cycle.
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