Fig. 8
From: Role of uterine artery Doppler in assessment of unexplained infertility
a, b Transvaginal Doppler ultrasound of both uterine arteries (a right, b left) of female patient aged 33 years old diagnosed with unexplained infertility shows RI of right and left uterine arteries were 0.79 and 0.83 respectively with mean RI 0.81, S/D ratios of right and left uterine arteries were 4.93 and 4.9 respectively with mean S/D ratio 4.91, and PI of right and left uterine arteries were 2.35 and 2.3 respectively with mean PI 2.32