例句 /

Severe preeclampsia that develops at <34 weeks of gestation is associated with high perinatal mortality and morbidity rates.

Severe preeclampsia that develops at <34 weeks of gestation is associated with high perinatal mortality and morbidity rates.

发生在34孕周以前的重度先兆子痫有高围产期死亡率和患病率。