COL1A1 and fibrosis: Fibrosis is closely involved with the failure of embryo implantation due to a defective endometrium.28 To investigate whether transplanted SCNT‐hPSC‐MPC‐SCDs contributed to fibrosis by the suppression of pro‐inflammatory factors in the uterus, Western blotting was carried out using pro‐inflammatory‐related factors TGFß1 and COL1A1.