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如何解释这些时间?

风湿科医师 · 最后编辑于 2022-10-09 · IP 北京北京
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这个帖子发布于 4 年零 208 天前,其中的信息可能已发生改变或有所发展。

2. Pregnancy morbidity

(a) One or more unexplained deaths of a morphologically normal fetus at or beyond the 10th week of gestation, with normal fetal morphology documented by ultrasound or by direct examination of the fetus, or

(b) One or more premature births of a morphologically normal neonate before the 34th week of gestation because of: (i) eclampsia or severe preeclampsia defined according to standard definitions [11], or (ii) recognized features of placental insufficiency–, or

(c) Three or more unexplained consecutive spontaneous abortions before the 10th week of gestation, with maternal anatomic or hormonal abnormalities and paternal and maternal chromosomal causes excluded.

这是抗磷脂综合征诊断标准中的几句话,不知为什么提 beyond the 10th week、 34th week 、 before the 10th week这三个时间断,它有什么特点?

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