Failure to find ovaries on ultrasound may be related to ovarian displacement, ovarian dysplasia, ovarian atrophy and other factors. 1. Ovarian ectopia: the failure to find the ovaries on ultrasound is often considered to be caused by ovarian displacement, the ovaries are not in the original position, and have been moved, resulting in the failure of the ultrasound examination. This may be due to obstruction of the ovary during development, pelvic inflammatory disease leading to ovarian adhesions that cause the position to move, or ovarian cysts or tumors that cause movement. 2. Ovarian dysplasia: If you can’t find the ovaries on the ultrasound, they may be underdeveloped, and the development of the ovaries doesn’t reach the normal standard, which is not easy to be detected on the ultrasound. Ovarian dysplasia is a structural or functional abnormality of the ovary, which may be related to chromosomal abnormalities, ovarian pathology, long-term poor lifestyle and other factors. 3. Ovarian atrophy: The ovaries may not be found on ultrasound, but they may be atrophied, with the ovaries being significantly smaller in size, which is not shown on the ultrasound. The most important thing is that you can’t find a single thing in the world that you don’t want to see, but you can’t find a single thing in the world that you don’t want to see, and you can’t find a single thing that you don’t want to see. If you can’t find your ovaries on ultrasound, you need to undergo a detailed examination to determine the cause of the problem.