“gravid uterus”可以造什么句，gravid uterus造句

Uterine obstruction of venous return can produce prearrest hypotension or shock and in the critically ill patient may precipitate arrest.1,2 In cardiac arrest the compromise in venous return and cardiac output by the gravid uterus limits the effectiveness of chest compressions.

Gestational age ＜20 weeks. Urgent cesarean delivery need not be considered because a gravid uterus of this size is unlikely to significantly compromise maternal cardiac output.