Mothers of newborn babies will complete a questionnaire that will ask about:
She will be asked about this pregnancy:
At the 12-Month Well Baby Visit, she will complete a questionnaire that asks about:
The research staff will perform annual reviews of each subject's medical record to record the following:
PHOI will track the administration of vaccines as decided by parents based upon informed consent. The goal of the registry is to provide data that can be studied to examine if there is any difference in the frequency children are diagnosed with either acute or chronic illnesses based on breastfeeding, birth delivery route, vaccination status, medications, and other factors.