This s my second pregnancy, I am having 3 years daughter ( c-section), this pregnancy from 3 month I am having short cervix.3 month it was 2.7 so doc advised rest and on aqsustain injection, duphaston tablet and periodically checking my cervix lenth ( os still close) today I had my growth scan (28 weeks ) cervix was 2.5 cm internal os closed and baby weight 1.1 kg...and doc asked to continue the same injection and ask to check for cervix scan after 2 weeks Do I have pre term labour chances ..I am vv much afraid.pls help