From: Role of uterine artery Doppler in assessment of unexplained infertility
 | Resistance index | Pulsatility index | Systolic/diastolic ratio | Endometrial thickness | ||||
---|---|---|---|---|---|---|---|---|
r | p value | r | p value | r | p value | r | p value | |
Age (years) | 0.085# | 0.656 | 0.259& | 0.167 | 0.311& | 0.094 | − .260 | 0.166# |