Methods:38 infertile women in our hospital were injected with 3% CPP, crytal oxidase liquid in the womb and fallopian tubes were observed by abdomen ultrasound.

• 方法:对38例不孕症妇女使用3%25超声晶氧进行宫腔注射,在B超下观察晶氧液体在子宫、输卵管内流动情况。