In recent years,more and more women have sought assisted reproductive technology to help them conceive due to fertility or reproduction problems.Infertility has become a major problem affecting human health.Good endometrial receptivity(ER)is a key factor for successful pregnancy,and accurate and efficient assessment of endometrial receptivity has become a research hotspot.Endometrial pathology biopsy techniques are generally considered the gold standard for the evaluation of ER.However,due to its invasiveness and lag in evaluation,it is difficult to reflect the immediate endometrial receptivity,so its clinical application is limited.As a non-invasive examination method,ultrasound can continuously monitor in real-time during the cycle,and has been widely used in the diagnosis and treatment of female infertility,and has become the preferred examination method for infertility.This review focuses on ER,and describes the research progress of ultrasound endometrial morphology,endometrial blood flow,endometrial peristalsis wave,endometriography,and endometrial elastography in detail.
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