Every parent will want to ensure that their baby grows up to be healthy and free from any disease. After birth, your baby might look healthy but, unfortunately, any underlying medical conditions are not detected until the baby completes 3 weeks or 1 month Every parent will want to ensure that their baby grows up to be healthy and free from any disease. After birth, your baby might look healthy but, unfortunately, any underlying medical conditions are not detected until the baby completes 3 weeks or 1 month