Ii-antibodies ze-antisperm (ASA) -amayeza okubulala iintsholongwane aveliswa ngumzimba womntu ngokuchasene nesidoda se-antigen (I-Krause 2017: 109) Ukwenziwa kwe-ASA sesinye sezizathu zokwehla kwesibeleko okanye ukuzala kwe-autoimmune: I-ASA ichaphazela ukusebenza kwe-spermatozoa, yitshintshe ikhosi ye-acrosomal reaction (AR), kunye nokuphazamisa ukuchumisa, ukufakelwa kunye nokukhula kombungu (Ukubuyisela i-2013) unobangela wokuqhekeka kweDNA (I-Kirilenko 2017) Izifundo kwiimodeli ezahlukeneyo zezilwanyana zibonakalise ubudlelwane phakathi kwe-ASA kunye nokuvela kwe-umbungu ngaphambi okanye emva kokufakwaI-Krause 2017: 164) Iziphumo zokuthintela ukukhulelwa kwe-ASA ziyaphandwa ngexesha lokuqulunqwa kogonyo lokuthintela ukosuleleka kwabantu (I-Krause 2017: 251), kunye nokunciphisa nokulawula inani lezilwanyana zasendle (I-Krause 2017: 268).

Ukusukela embindini wenkulungwane yama-20, phantsi kwesibhengezo 'sengxinano' Kwinkoliso yamazwe aphuhlileyo, ukuchuma sele kwehlile kakhulu kwinqanaba lokuzala ngokulula, kwaye nenani labantu abadala liyalingana ngenani labantwana okanye lide legqithe. Umtshato uya usanda ngokuphelisa uqhawulo-mtshato kwaye uthathelwa indawo kukutshata. Imicimbi yangaphandle, ubufanasini kunye ne-transgender phenomena ifumene imeko ephambili. Ukuhamba komhlaba, hayi intsomi yaba yinyaniso entsha yehlabathi.