Ukudlwengula uhlobo ngokocansi ngokuvamile okuhilela nobuhlobo bobulili noma ezinye izinhlobo sokungena ngokocansi eyenziwa ngokumelene umuntu ngaphandle ukuthi lomuntu kwemvume.Lesi senzo singenziwa ngamandla, ukuphoqelelwa, ukusetshenziswa kabi kwegunya, noma ngokumelene nomuntu ongakwazi ukunikeza imvume evumelekile, njengalowo ongazi lutho, okhubazekile, okhubazeke ngokwengqondo, noma ongaphansi kweminyaka esemthethweni yokuvuma.Igama elithi ukudlwengula kwesinye isikhathi lisetshenziswa ngokungafani negama elithi ukuhlukunyezwa ngokocansi. Izinga lokubika, ukushushisa kanye nokutholakala enecala lokudlwengula liyehluka phakathi kweziphathimandla. Kumazwe omhlaba, izehlakalo zokudlwengulwa ezirekhodwe ngamaphoyisa ngonyaka ka-2008 zazibalelwa kubantu abayi-100 000, zisuka ku-0,2 e- Azerbaijan zaya ku-92.9 eBotswana zaya ku-6.3 eLithuania njengomuntu ophakathi nendawo . Emhlabeni jikelele, udlame lwezocansi, kubandakanya nokudlwengula, lwenziwa ikakhulukazi ngabesilisa kwabesifazane. Ukudlwengula abangabazi ngokuvamile bungavami kuka ukudlwengula abantu isisulu uyazi, futhi wesilisa-on-besilisa kanye nabesifazane-on-zesifazane ejele okudlwengula kuvamile futhi kungenzeka amafomu okungenani kubika okudlwengula. Ukudlwengulwa okubanzi futhi okuhlelekile (isb. Ukudlwengulwa kwempi ) nokugqilazwa ngokocansi kungenzeka ngesikhathi sezimpi zomhlaba.Le mikhuba ngamacala abhekene nobuntu kanye namacala empi.Ukudlwengulwa kuphinde kubhekwe njengengxenye yecala lokuqothulwa kohlanga lapho kwenziwa ngenhloso yokucekela phansi, lonke noma ingxenye yalo, uhlanga oluthile. Abantu abadlwenguliwe bangahlukumezeka bese beba nengcindezi yangemva kokuhlukumezeka .