收集大量成熟的、可受精的卵子是体外受精及胚胎移植（IVF—ET）成功的一个重要环节。70年代世界各地大多采用腹腔镜下取卵方法。由于腹腔镜取卵技术较复杂，损伤较大，并发症较多。自1981年起开始应用B超针导下卵泡吸引术[1]。目前，阴道超声针导取卵技术已广泛应用于IVF-ET［ Collecting a large number of mature, fertile eggs is an important part of the success of in vitro fertilization and embryo transfer (IVF-ET). In the 1970s most laparoscopic methods of ovulation were used around the world. Laparoscopic ovulation technology is more complicated, more damage, more complications. Since 1981, the application of B-needle lead follicle aspiration [1]. At present, vaginal ultrasound needle-guided ovulation technique has been widely used in IVF-ET [