title: Does implantation occur in the presence of an IUD?
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood; D010064:Embryo Implantation; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D007986:Luteinizing Hormone / Q000097:blood
chemical_list: D006063:Chorionic Gonadotropin; D007986:Luteinizing Hormone