IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-1-45800 Original Research Paper First Trimester Uterine Artery Doppler Analysis In Prediction Of Pre-Eclampsia For Early Detection And Treatment Of Pih Smita Tyagi Dr. Dr Neeta Chaudhary Dr. January 2023 12 1 01 02