Kune tsanangudzo dzakasiyana-siyana dzezvinoonekwa sehuremu hwepamuviri hunodarika 3% yehuremu hwemuviri. Pane tsanangudzo dzakasiyana-siyana dzezvinoonekwa sehuremu hwepamuviri hunodarika 3% yehuremu hwemuviri. Pane tsanangudzo dzakasiyana-siyana dzezvinoonekwa sehuremu hwepamuviri hunodarika 3%, izvo zvinotarisirwa kuti hutano hwepamuviri hunowedzera huwandu hwehutano hwepamuviri hunokosha, kubva pamakirogiramu 0.6 (1.3 lb) kusvika ku 2.5 makirogiramu (5.5 lb) uye vanachiremba vakawanda vanorondedzera macromastia sehuremu hwepamuviri hunodarika 1.5 kilograms (3.3 lb). Dzimwe tsanangudzo dzinosiyanisa pakati pe macromastia (muchiGiriki, macro: guru, mastos: zamu), apo hutano hunodarika huri pasi pe 2.5 kg, uye gigantomastia (muchiGiriki, giganos: giant), apo hutano hunodarika hunodarika 2.5 kg. Kuwedzera kune mamwe mazwi, chirwere chepamuviri chinogona kukonzera hypertrophy, hypertrophy, uye hyperg
inodarika inenge 3% yehuremu hwemuviri hwese