在母体内生活不满37周就出生的婴儿叫早产儿,这种早产儿各种器官生理功能还不够成熟,体重小于2500克。他们的抵抗力低,易发生各种感染,而且体温调节较差,常不能保持正常的体温,有的需要在保暧箱内住几天。这些早产儿如果存活,常可有不同程度的脑神经系统后遗症,如智力落后、言语发育障碍、运动发育障碍、孤僻、多动症等。过去 A baby born within 37 weeks of life in the mother’s body is called a premature infant. The physiological function of various organs in this premature infant is not yet mature enough to weigh less than 2500 grams. Their resistance is low, prone to various infections, and poor body temperature regulation, often can not maintain normal body temperature, and some need to stay in the Paul warming box a few days. If these premature children survive, can often have varying degrees of neurological sequelae, such as mental retardation, speech development disorders, motor developmental disorders, eccentric, ADHD and so on. past