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.
There are several other indicators that your baby is ready to start solid foods. 1  First, note that the AAP recommends breastfeeding as the sole source of nutrition for your baby for about 6 months. In addition, they advise that most babies are ready to start solid foods when they reach the following milestones: 1  They can sit in a high chair or feeding chair and hold their head upright. 2  They can open their mouths as food comes their way. 3  They can move food from their mouth to their throat.