Source:http://linkedlifedata.com/resource/umls/id/C0029976
CSP: embedding of a fertilized ovum (blastocyst) into the endometrium; in humans, this occurs six or seven days after fertilization.,GO: Attachment of the blastocyst to the uterine lining. [GOC:isa_complete, http://www.medterms.com],MSH: Endometrial implantation of EMBRYO, MAMMALIAN at the BLASTOCYST stage.