He maha ngā tautuhinga rerekē o te mea e whakaaro ana ki te kia taimaha kiato kiato o te katoa taimaha tinana. He rerekē tautuhinga o te mea e whakaaro ana ki te kia taimaha kiato nui, e ko te taimaha kiato tūmanakohia me te taimaha kiato tino, mai iti rite 0.6 kirokaramu (1.3 pauna) ki runga ki 2.5 kirokaramu (5.5 pauna) ki te nuinga o ngā tākuta tautuhi macromastia rite taimaha kiato o runga 1.5 kirokaramu (3.3 pauna). ētahi rauemi wehewehe i waenganui i macromastia (Greek, macro: nui, mastos: kiato), te wahi he iti iho i te 2.5 kg taimaha kiato, me te gigantomastia (Greek, gigantikos: gigantom), te wahi he taimaha kiato nui atu i te 2.5 kg. taea te whakarahi i te uaua whakaputa mamae me te over-metering o te kiri kiri, i roto i te tahi mau e taea arahi ki te mate pukupuku, i roto i te tahi atu ara, e pā ana ki te macromastia he tino nui, engari i roto
neke atu i te tata ki te 3% o te taumaha tinana katoa