Fig. 10
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 0.84 with mean RI 0.84, S/D ratios of right and left uterine arteries were 6.43 and 7.12 respectively with mean S/D ratio 6.77, and PI of right and left uterine arteries were 2.16 and 2.62 respectively with mean PI 2.39