JZ Thickness as a Predictor of Recurrent Unexplained First Trimesteric Pregnancy Loss.

Patients with history of two or more recurrent pregnancy loss (RPL) and no history of living babies who had performed all investigations for recurrent miscarriage (RM) including : laboratory investigation ,trans vaginal ultrasound (TVS) ,autoimmune work up and hystroscopy and all results were free,will be scheduled for three dimensional trans-vaginal ultrasound (3D TVS) in the midluteal phase for measuring the impedance of uterine artery blood flow( by two dimensional Power Doppler TVS).Also by using 3D power Doppler the sub-endometrial blood flow will be assessed. In addition to the thickness of Junctional Zone (JZ) by using coronal view of 3 D TVS. To be compared with patients who had at least one full term living baby through normal vaginal delivery with no history of early pregnancy loss.