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有些患者接受克罗米芬治疗后有排卵前卵泡发育的明显征象如雌激素产量显著增加,但并不排卵.若于周期中期(按经验一般在结束克罗米芬后5～7日)给与单剂HCG则可能会有排卵,但妊娠率仍不高.当有成熟卵泡时,HCG3,000～4,000IU可在34～40小时内导致排卵.有人报导,如不在卵泡成熟的顶峰时给HCG,则反可导致卵泡闭锁而抑制排卵.本研究系设计应用实时超声显像测量排卵前卵
Some patients receiving clomiphene citrate after ovulation manifestations of obvious signs of ovarian follicles such as the production of estrogen increased significantly, but not ovulation .If in the mid-cycle (according to experience usually after the end of clomiphene citrate 5-7 days) given a single dose of HCG Ovulation may occur, but the pregnancy rate is still not high.When there are mature follicles, HCG3000 ~ 4,000IU can lead to ovulation within 34 to 40 hours.It was reported that if not at the peak of follicular ripening to HCG, the anti Can lead to follicle atresia and inhibit ovulation.In this study, the design of real-time ultrasound imaging measurement of ovulation eggs