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我们对18例因丈夫患无精症而要求作人工授精的妇女用B超监测排卵而适时作人工授精,共40个周期,计192次B超检查,74次供者人工授精。妊娠率为55.6%。此法较观察基础体温的转变及宫颈评分监测排卵更为准确。妊娠周期中,排卵前优势卵泡的平均直径为20～26mm。迫近排卵的超声显象有:(1)优势卵泡内壁见到一金字塔形的回声区(4/10);(2)优势卵泡周围有一低回声晕(6/10);(3)优势卵泡内壁边缘呈锯齿状(5/10);(4)宫腔线周围有一低回声区(4/5),和/或宫腔内有咖啡豆样显象(2/5)。排卵后的超声显象有:(1)卵泡消失(5/10);(2)卵泡塌陷(4/10);(3)血体形成(1/10);(4)宫腔内有环形显象(3/5)。
We have 18 cases of artificial insemination due to her husband suffering from azoospermia required for artificial insemination with B ultrasound monitoring of ovulation and timely artificial insemination, a total of 40 cycles, counted 192 times B-ultrasound, 74 donor AI. The pregnancy rate was 55.6%. This method is more observed changes in basal body temperature and cervical score monitoring ovulation more accurately. Pregnancy cycle, the average ovulation predominant follicle diameter of 20 ~ 26mm. Proximal ovulation ultrasound imaging are: (1) the dominant follicles to see the inner wall of a pyramidal echogenic zone (4/10); (2) the dominant follicle around a hypoechoic halo (6/10); (3) the dominant follicle wall (5/10) at the margin; (4) a hypoechoic area around the uterine cavity (4/5); and / or a coffee bean-like appearance (2/5) in the uterine cavity. Ovulation after ultrasound imaging are: (1) follicles disappeared (5/10); (2) Follicle collapse (4/10); (3) the formation of blood (1/10); (4) intrauterine ring Visualization (3/5).