论文部分内容阅读
自1978年世界首例试管婴儿诞生以来,体外受精-胚胎移植(IVF-ET)在不孕症的治疗中已占有一定地位。最初应用自然排卵周期,以后给与克罗米芬及人绝经期促性腺激素(hMG),可同时获得多个卵,将多个受精卵进行胚胎移植可提高妊娠率。另一方面为防止出现多胎,有效利用受精卵和减轻母体负担,已应用受精卵冷冻法。初期使用腹腔镜取卵,近年改用经阴道超声波断层法。
In vitro fertilization-embryo transfer (IVF-ET) has occupied a certain place in the treatment of infertility since the birth of the first IVF in the world in 1978. The initial application of natural ovulation cycle, after giving clomiphene and human menopausal gonadotropin (hMG), can obtain multiple eggs at the same time, multiple fertilized eggs embryo transfer can improve pregnancy rate. On the other hand, in order to prevent the occurrence of multiple births, effective use of fertilized eggs and reduce the burden on the mother, fertilized eggs have been frozen method. Early use of laparoscopic ovulation in recent years to switch to transvaginal ultrasound.