舞厅是一个含菌量高、空气混浊的公共场所。据有关部门测定,每立方米的空气中含菌量竟高达400万个,比普遍居室主4000倍左右。孕妇若置身于这种环境中,容易受细菌、病毒的感染。假如舞伴患有某种疾病或携带有肝炎、风疹、流感等病毒,孕妇因接触而受感染,病毒可通过胎盘血循环进入胎儿体内,阻障胎儿器官与组织的正常分化,导致各种先天性畸形,甚至造成流产、 Ballroom is a public place with high bacteria content and turbid air. According to the determination of the relevant departments, the bacteria in the air per cubic meter was as high as 4 million, about 4000 times higher than that of common homeowners. Pregnant women exposure to such an environment, vulnerable to bacteria, viruses. If the partner has a certain disease or carries a virus such as hepatitis, rubella and flu, the pregnant woman is infected due to contact. The virus can enter the fetus through the blood circulation of the placenta and obstruct the normal differentiation of fetal organs and tissues, resulting in various congenital malformations , Or even cause miscarriage,