As for the cost of pregnancy, you will find that these numbers do fluctuate, but a recent study was released by the March of Dimes on June 12, 2007. In that study, it was concluded that the average cost of vaginal deliveries without complications is $7,737. Cesarean-section deliveries had an average cost of $10,958. The March of Dimes study also concluded that it was more expensive to have a baby in the Northeast and the cheapest to do so in the South. In addition to the cost of delivery, hospital care for the child immediately following birth is necessary. If complications arise, the cost will increase.Тhe average cost for a preterm or a premature baby is $51,600.