Talk to a medical professional before you introduce solid foods. Your physician can verify that your infant is developed enough to handle solid foods.  This is the time for you to ask questions and mention any concerns you have about solid foods.  In some cases, your infant's intestinal tract may not be fully developed or your baby may not be able to  fullness, leading to potential overfeeding. Do not give your infant solid foods until your doctor says that is alright. Your infant's digestive system is not ready to process cereal until about 6 months of age. Giving your infant cereal too early increases the chance of choking or inhaling the rice cereal mixture into his or her lungs. Early exposure to cereal can also increase your baby's risk of developing food allergies.  Your baby may be ready to try rice cereal at 4 months of age. Your doctor can help you decide what is best for your baby. It may be alright to introduce rice cereal before 4 to 6 months of age if your baby has reflux issues. Talk to your pediatrician before you try this though.  Your baby should also be able to eat from a spoon before you introduce rice cereal to his or her diet.  Feeding your baby solid foods too early can cause your baby to become overweight. In addition to being old enough, your infant should meet certain developmental milestones before you introduce cereal. Your infant should be able to sit with support, have head and neck control, push up with elbows from a lying position, place hands or toys in his or her mouth, and lean forward and open his or mouth when hungry or interested in food. If your child is 6 months of age, but has not met these milestones, you may need to delay the introduction of rice cereal.  Waiting for these milestones is important.  They help ensure that your infant can safely swallow the rice cereal. Infants also have an extrusion reflex that causes them to raise their tongue and push against objects that are placed between their lips. This reflex is usually gone by 4 to 6 months of age.  Trying to...

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Write a summary of the previous text in Chinese:
与宝宝的儿科医生或其它医护人员会面。 等到宝宝4到6个月大。 确保宝宝已经达到了必要的发育里程碑。