Previous CDC studies have shown that nearly everyone in the U.S. is exposed regularly to low levels of perchlorate. People are exposed through eating food, and drinking milk and water that contain perchlorate. Trace levels of perchlorate have been found in both breast milk and infant formula.revious CDC studies have shown that nearly everyone in the U.S. is exposed regularly to low levels of perchlorate. People are exposed through eating food, and drinking milk and water that contain perchlorate. Trace levels of perchlorate have been found in both breast milk and infant formula.
When you add solid foods to your babyâs diet, continue breastfeeding until at least 12 months. You can continue to breastfeed after 12 months if you and your baby desire. Check with your childâs doctor about vitamin D and iron supplements during the first year.
Use a cup. Babies on solid food need some liquid. Find out if the baby prefers using a sipper cup or a plastic cup (or you can simply make this choice for the baby). Use clean, filtered water, or juice diluted by half.1  Do not get the baby too used to juice; keep it to a minimum, as it is sugar-filled and can harm growing teeth.t can be time for solids if your baby displays the following signs: 1  Baby is able to sit by his or her self or can sit with some support. 2  Baby's weight has doubled. 3  Baby can turn his or her head away from you if you try to do something unpleasant to the face (like wiping a runny nose).