为指导不明部位妊娠及输卵管与非输卵管异位妊娠的诊断和处理提供循证算法。
所有育龄期患者。
本指南的实施旨在使β-人绒毛膜促性腺激素结果阳性的患者受益，并为医生提供标准的预期算法，medical,和手术治疗不明部位妊娠和输卵管妊娠和非输卵管异位妊娠。
2018年在PubMed/Medline和Cochrane中输入了以下搜索词：剖宫产，绒毛膜促性腺激素，β亚基,人类/血液，输卵管/手术,女性,生育力,人类,不孕症,腹腔镜检查,甲氨蝶呤,甲氨蝶呤/给药和剂量，甲氨蝶呤/治疗用途，怀孕（腹部，角度,子宫颈,cornual,ectopic,异位/诊断，异位/诊断成像，异位/药物治疗，异位/流行病学，异位/死亡率，异位/手术，异位,间质,峡颈,卵巢,输卵管,未知位置)，复发,危险因素，输卵管切除术,输卵管造口术,输卵管妊娠,超声检查,多普勒超声,产前。纳入的文章均为随机对照试验，荟萃分析，系统评价,观察性研究，和病例报告。从这些文章的参考书目中确定了其他出版物。仅审查了英语文章。
作者使用建议分级评估对证据的质量和建议的强度进行了评估，发展,和评估(等级)方法。见在线附录A（表A1的定义和A2的强和弱的建议的解释）。
妇产科医生，家庭医生,急诊医生,助产士,注册护士,执业护士,医学生,居民和研究员。
建议（父母的等级评定）。
To provide an evidence-based algorithm to guide the diagnosis and management of pregnancy of unknown location and tubal and nontubal ectopic pregnancy.
All patients of reproductive age.
The implementation of this
guideline aims to benefit patients with positive β-human chorionic gonadotropin results and provide physicians with a standard algorithm for expectant, medical, and surgical treatment of pregnancy of unknown location and tubal pregnancy and nontubal ectopic pregnancies.
The following search terms were entered into PubMed/Medline and Cochrane in 2018: cesarean section, chorionic gonadotropin, beta subunit, human/blood, fallopian tubes/surgery, female, fertility, humans, infertility, laparoscopy, methotrexate, methotrexate/administration & dosage, methotrexate/therapeutic use, pregnancy (abdominal, angular, cervix, cornual, ectopic, ectopic/diagnosis, ectopic/diagnostic imaging, ectopic/drug therapy, ectopic/epidemiology, ectopic/mortality, ectopic/surgery, heterotopic, interstitial, isthmo-cervical, ovarian, tubal, unknown location), recurrence, risk factors, salpingectomy, salpingostomy, tubal pregnancy, ultrasonography, doppler ultrasonography, and prenatal. Articles included were randomized controlled trials, meta-analyses, systematic reviews, observational studies, and case reports. Additional publications were identified from the bibliographies of these articles. Only English-language articles were reviewed.
The authors rated the quality of evidence and strength of recommendations using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach. See online Appendix A (Tables A1 for definitions and A2 for interpretations of strong and weak recommendations).
Obstetrician-gynaecologists, family physicians, emergency physicians, midwives, registered nurses, nurse practitioners, medical students, and residents and fellows.
RECOMMENDATIONS (GRADE RATINGS IN PARENTHESES).
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