Research progress of thin endometrium

Thin endometrium is defined as the mid luteal phase endometrial thickness less than 7 mm.Too thin endometrial may affect endometrial receptivity, which results in lower embryo implantation rate and clinical pregnancy rate.So far its pathogenesis is unclear, and clinical treatment results are poor, so the study of this disease has been paid more and more attention.Currently, integrity researches and reports about this disease are fewer, which lead to awareness of the disease is not in-depth. Three aspects of etiology, pathogenesis and treatment of thin endometrium of this paper were evaluated respectively, to improve the understanding of the disease and provide guidance for clinical treatment. Key words: Endometrium thickness; Thin endometrium; Pregnancy outcome; Etiology; Therapy