The pathogen infection is an important factor to occur the unhealthy pregnancy,the major pathogens of unhealthy pregnancy are B 19 V,CMV,TOX,RV,HSV.These pathogens infection should be detected timely in gestational period.

• 病原体感染是导致不良妊娠的重要原因之一 ,其中B19V、CMV、TOX、RV、HSV可能是主要病原体 ,其余病原体对导致不良妊娠也有一定的影响。