<prompt> All are indications of intra uterine insemination EXCEPT:Vicid cervical mucusOligozoospermiaTubal blockadeImmune factor of sperms  <response>: Tubal blockade REF: A handbook of intrauterine insemination by Godwin Ikechukwu Meniru, Peter R. Brinsden, Ian Logan Craft Page 4 Indications of intrauterine insemination: Ejaculatory failure neurogenic, psychogenic, hypospadias, retrograde ejaculation Cervical factor poor cervical mucus, cervical mucus hostility Male subfeility oligozoospermia, asthenozoospermia, teratozoospermia Immunological malefemale antisperm antibodies Endometriosis Idiopathic Combined factors 