人工流产作为避孕失败的补救措施,是妇科门诊的小手术,其疼痛主要来自扩张宫颈和负压吸引,一般不需麻醉。但在初孕妇,特别是妊娠6～8周时,宫颈软化不理想,加之孕妇精神紧张,机械性扩张宫颈较困难,既影响了手术操作,也易发生并发症,如宫颈黏膜损伤、人工流产综合反应等。目前各 Abortion as a remedy for contraceptive failure, gynecological clinic is a minor surgery, the pain mainly from the expansion of the cervix and vacuum to attract, generally do not need anesthesia. But in the first pregnant women, especially in pregnancy 6 to 8 weeks, cervical softening is not ideal, coupled with mental stress in pregnant women, mechanical expansion of the cervix more difficult, both affecting the operation, but also prone to complications such as cervical mucosal injury, induced abortion Comprehensive response. Current each