子宫外孕 meaning in English

[医学] ectopic pregnancy; extrauterine pregnancy

The ratio of ectopic pregnancy to deliveries was 1 to 44
结果发现，子宫外孕的平均发生比例是1 : 44 。
To evaluate the association between ectopic pregnancy and potential risk factors , we conducted a hospital - based case - control study
摘要本研究的目的在于?解国内妇女子宫外孕的发生比例及其危险因子。
The investigation including 85 cases was diagnosised from january to december , 1992 , by laparotomy , and 95 matched controlls selected from live - birth deliveries
选择85名子宫外孕的妇女为病例组，并以1 : 2的比例取年龄相距三岁以内并完成一次生产的妇女为对照组，进行以医院为基底之病例对照研究。