IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-7-51233 Original Research Paper Study Of Mean Maternal Serum Concentrations Of PAPP-A In Women With Preeclampsia And Normal Primigravida Pregnant Women Suman Dr. Dr. Kalpana Goil Dr. Dr. Asmita Dr. July 2023 12 7 01 02