对1988～1989年期间不孕症治疗后妊娠的160例病人,于停经后每周1～3次测定β-hCG,并末次月经(LMP)起第5～6周施行阴道超声检测,每周1～2次,以后1～2周一次,直至妊娠12周,除外多胎妊娠。 按不同用药的排卵周期病人分组。1组30例,为非刺激周期;2组24例,为克罗米芳(CC)诱导排卵周期;3组27例,为hMG治疗周期;4组33 During pregnancy from 1988 to 1989 infertility treatment of 160 patients, 1 to 3 times per week after menopause determination of β-hCG, and the last menstruation (LMP) from the first 5 to 6 weeks of vaginal ultrasound examination, weekly 1 to 2 times, after 1 to 2 weeks until 12 weeks of gestation, except for multiple pregnancy. According to the different medication ovulation cycle patients grouping. 1 group of 30 cases, non-stimulatory cycle; 24 cases of two groups, for the gyrograms Fang (CC) induced ovulation cycle; 27 cases of 3 groups, hMG treatment cycle; 4 groups 33