Some infants who are delivered by cesarean section may have an increased risk of developing food allergies by delaying the colonization of the newborn intestine. This is particularly troublesome because the C-section rate continues to increase, and one-quarter of all births are now by C-section.
The increase in C-sections is one of the reasons to seek a home-birth setup, and a nurse midwife, whenever possible. Please review the article I posted earlier this year for more details on how to locate additional resources to assist you in natural birthing options.
Journal of Allergy and Clinical Immunology, August 2003;112(2):420-6