新生儿出生过程中的生态平衡:胎儿在母体中受胎膜保护,一般无菌。分娩时通过产道。凡在产道中正常寄生的微生物(这里主要指细菌)都有可能粘附到胎儿与母体接触的部位,如皮肤和粘膜。后者包括胎儿的眼结膜、口、鼻、咽、外阴和脐带等处,并开始寄生,称为定植(Colonization)。出生后,新 The ecological balance of the newborn during birth: The fetus is protected by the fetal membranes in the mother’s body, generally sterile. Birth through the birth canal. Where normal parasites in the birth canal of microorganisms (mainly bacteria here) are likely to attach to the fetus and maternal contact parts, such as the skin and mucous membranes. The latter includes the fetal conjunctiva, mouth, nose, pharynx, vulva and umbilical cord and other places, and began parasitism, called colonization (Colonization). After birth, new