Treatments for uterine factorsAntibiotics for CE without diseases‐causing CEHysteroscopic surgery or endometrial curettage for CEEstradiol treatment for thin endometriumIntrauterine PRP infusion for thin endometriumSubcutaneous or intrauterine infusion of G‐CSF administration for thin endometrium. Here, CSF3 is linked to cholesteryl ester measurement.