placenta previa

常見例句

Placenta previa occurs 6 to 15 times more often after a woman has had an abortion.
在女性人流后前置胎盤發(fā)生率會6-15倍于常人。
Placenta previa — when the placenta partially or completely covers the cervix, which can cause severe bleeding before or during delivery
前置胎盤- 胎盤部分或者全部覆蓋子宮頸，造成產(chǎn)前或產(chǎn)中大出血
But in instances where women are at increased risk of preterm labor or have complications such as placenta previa — where the placenta overlays the cervix — abstinence may be indicated.
但是如果孕婦有未足月生產(chǎn)的風(fēng)險或是有例如胎盤前置（胎盤附著于子宮下段或覆蓋在子宮頸內(nèi)口處）的并發(fā)癥，那么就有必要節(jié)欲了。