And abortion is the negative pressure pipe in the womb, the use of negative pressure suction to pregnancy product.
而人工流产是将负压管放进宫腔内，利用负压吸去妊娠产物。
Objective: Blood loss during operation is one of the main complications of artificial abortion with suction evacuation.
目的：术中出血是负压吸宫流产的主要并发症之一。
Conclu - sion: Gestational age, operation time, preoperative and postoperative uterine depth are important factors which affect blood loss during artificial abortion with suction evacuation.
结论：术前宫深、术后宫深、手术时间、孕龄是影响负压吸宫人流术中出血量的重要因素。
Randomized controlled trials comparing methods of pain control in first trimester surgical abortion at less than 14 weeks gestational age using electric or manual suction aspiration.
在第一孕期小于14周使用电动或手动真空抽吸实施的人工流产，以随机对照性的临床试验比较疼痛控制的方法。
Randomized controlled trials comparing methods of pain control in first trimester surgical abortion at less than 14 weeks gestational age using electric or manual suction aspiration.
在第一孕期小于14周使用电动或手动真空抽吸实施的人工流产，以随机对照性的临床试验比较疼痛控制的方法。
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