ðɪ ɪntˈɜːnəl ˈɪliˌæk vˈeɪn hˌaɪpoʊɡˈæstɹɪk vˈeɪn bɪɡˈɪnz nˌɪɹ ðɪ ˌʌpɚ pˈɑːɹt ʌvðə ɡɹˈeɪɾɚ sˈaɪətˌɪk fˈɔːɹeɪmˌɛn, pˈæsᵻz ˈʌpwɚd bᵻhˌaɪnd ænd slˈaɪtli mˈiːdiːəl tə ðɪ ɪntˈɜːnəl ˈɪliˌæk ˈɑːɹɾɚɹi ænd, æt ðə bɹˈɪm ʌvðə pˈɛlvɪs, dʒˈɔɪnz wɪððɪ ɛkstˈɜːnəl ˈɪliˌæk vˈeɪn tə fˈɔːɹm ðə kˈɑːmən ˈɪliˌæk vˈeɪn.
The internal iliac vein (hypogastric vein) begins near the upper part of the greater sciatic foramen, passes upward behind and slightly medial to the internal iliac artery and, at the brim of the pelvis, joins with the external iliac vein to form the common iliac vein.