During delivery you lose blood, and with the blood you lose iron. You need to replenish this iron. You also need plenty of Vitamin C, which helps healing. Therefore, it is recommended that you keep taking your prenatal vitamins and iron for at least 6 weeks. If you are breastfeeding, you should take your vitamins until you stop breastfeeding. It is important to drink lots of water, ideally eight glasses per day. Frequent urination helps prevent vaginal and urinary tract infections by flushing germs out of the vaginal area.
It is important to eat a balanced diet as you recover from delivery, especially if you are breastfeeding. Make sure you include plenty of fiber or a fiber supplement in your diet, since constipation is very common after delivery.