39wk + 4days pregnant. Please help???? Extremely worried :(?

its my first baby..no symptoms of labour pain and no contractions yet..do lots of walking and squat a lot...is this normal?...m due on 4th july..have an appointment with doctor on the very same day...m scared and worried about delivery... :( ...also i need to know whether my baby is a girl as i have heard sumwer girl takes the complete due date for delivery...please advise and thanks for help