my lmp was june 1 and cycle varies from 39 to 45 days edd given by hospital is march 19 will it be same date or will change

A. It is common to be given a single 'estimated due date' (EDD) which corresponds the point at which it is estimated that your pregnancy will have lasted 40 weeks. Only about 5% of babies will arrive on their due date and focusing on this single date can make the end of pregnancy quite stressful.