IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-12-38562 Original Research Paper ASSESEMENT OF CERVICAL LENGTH BY USG IN PREDICTING PRETERM BIRTH IN WOMEN OF 18 TO 24 WEEKS OF GESTATION-A PROSPECTIVE STUDY Priti Kumari Dr. Dr. Shashikar Dr. December 2021 10 12 01 02