Ladies that have had previous babies, have you found the due date calculated from your previous periods was more accurate than the due date estimated from your first scan? According to my periods I’m due around the 16th December but according to my 12 week scan they’re saying 27th December. I’ve been getting a lot of symptoms lately that the midwives have said is my body preparing for labour and baby is currently measuring 6lbs. I have a feeling it’s likely to be around the 16th not the 27th. Anyone had similar experiences?