随着胎儿的成长，母体的血液循环加重。
With the growth of fetal and maternal blood circulation to increase.
当她们暴露于污染的空气之中，污染物便会进入她们的血液并再透过胎盘及脐带进入胎儿的血液循环系统中，严重影响胎儿的成长及发育。
When exposed to ambient air pollution, pollutants will enter a pregnant woman's bloodstream and pollutants can then reach the foetus' circulation through the placenta and umbilical cord.
在整个妊娠期间，胎儿的营养摄入主要是通过母子血液循环获得的。
During the whole of gestation period, the nutrition of fetus is ingested by the blood circulation between maternal and fetus.
当粘连发生，胎盘内血液循环受阻将直接影响胎儿发育。
When placental adherence happens, blood circulation of villus in the placenta could be retard, and then the developing of fetus were affected.
结论：脐血和脐带血管adm和ET - 1表达改变可能与妊高征胎儿胎盘之间血液循环调控有关。
Conclusion The changes of ADM and ET-1 in umbilical cord plasma and vessel may related to regulation of fetoplacental circulation in PIH.
结论：脐血和脐带血管adm和ET - 1表达改变可能与妊高征胎儿胎盘之间血液循环调控有关。
Conclusion The changes of ADM and ET-1 in umbilical cord plasma and vessel may related to regulation of fetoplacental circulation in PIH.
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