Nā lāʻau antisperm (ASA) - nā antibodies i hana ʻia e ke kino o ke kanaka me nā antigens sperm (Krause 2017: 109) ʻO ka hoʻokumu ʻana o ASA kekahi o nā kumu no ka hoʻohaʻahaʻa ʻana i ka momona a i ʻole ka infimility autoimmune: pili ka ASA i ka hana o ka spermatozoa, hoʻololi i ke kaʻina o ka hopena acrosomal (AR), a me ka hoʻoluwale i ka hoʻomakeʻa, implantation a me ka hoʻomohala o ka embryo (Restrepo 2013) kumu kumu fragmentation (Kirilenko 2017) Ua hōʻike nā haʻawina ma nā ʻano holoholona like ʻole i kahi pilina ma waena o ka ASA a me ka embryo degeneration ma mua a i ʻole ma hope o ka implantation (Krause 2017: 164) Ke nānā nei nā hopena contraceptive o ASA i ka wā e hoʻomohala ai i ka maʻi kūlohelohe kūloko e kū pono ai i nā kānaka (Krause 2017: 251), me ka hōʻemi a kāohi i ka nui o nā holoholona hihiu (Krause 2017: 268).