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1 资料与方法1.1 服药对象 凡已往月经规律,现突然停经并有早孕反应,经检查及辅助检查,确诊为妊娠≤49天健康妇女,而无禁忌症者均可服药。1.2 检查方法 妇科检查:子宫体增大,形态规整,无畸形,无手术疤痕,子宫体符合妊娠天数。 化验检查:尿HCG均为阳性。 B超检查:孕囊必须在子宫腔内,其直径不超过
1 Materials and Methods 1.1 The object of medication who had menstrual regularity, is now suddenly menopause and early pregnancy reaction, after inspection and laboratory tests, diagnosed as healthy women ≤ 49 days of pregnancy, without contraindications can take medication. 1.2 Check the method of gynecological examination: uterine enlargement, regular shape, no deformity, no surgical scar, uterine body consistent with the number of days of pregnancy. Laboratory tests: urine HCG are positive. B-ultrasound: gestational sac must be in the uterine cavity, its diameter does not exceed