I am 37 weeks pregnant Everythg being normal my last scan was 23rd august and doc is has asked to do a sonography  again  on 6th Sep b4 come to check up .my question is will such frequent scan affect the baby ? All reports till date r normal baby's head is down but yet not fixed ..my due date is 21 Sep. i do trust my doc but for a second opinion plz do share ur opinion