Boy, early due date, less than 7 lbs
Boy, early due date, more than 7 lbs
Girl, early due date, less than 7 lbs
Girl, early due date, more than 7 lbs
Boy, late due date, less than 7 lbs
Boy, late due date, more than 7 lbs
Girl, late due date, less than 7 lbs
Girl, late due date, more than 7 lbs