It is associated with a high rate of premature delivery, meconium stained amniotic fluid, antepartum fetal death, and fetal anoxia and stillbirth.

 
  • 主要可引起早產(chǎn)、羊水胎糞污染、死胎及產(chǎn)時(shí)胎兒窘迫、死產(chǎn),其病因及發(fā)病機制至今不清。
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