'''SexuallyInfèksi transmittednular infectionssèksual''' ('''STI''') / Infèksi menular sèks, uga ngarujuk marang '''sexuallylelara transmittednular diseasessèksual''' ('''STD''') / Lelara menular sèks, lan '''venereallelara diseaseskawirangan''' ('''VD''') / penyakit kelamin, ya iku infèksi-infèksi sing umumé kasebar kanthi [[cumbana]], mliginé [[Cumbana|cumbana lewat vagina]], cumbana lewat dubur lan cumbana oral. Akèh-akèhé STI awalé ora ngétokaké gejala-gejala.<ref name="WHO2014"><cite class="citation web">[http://www.who.int/mediacentre/factsheets/fs110/en/ "Sexually transmitted infections (STIs) Fact sheet N°110"]. ''who.int''. </cite></ref> Bab iki njalari anané résiko sing luwih gedhé bab nyebaraké lelara jini siki menyang wong liya.<ref>{{cite book|vauthors=Murray PR,Rosenthal KS, Pfaller MA|title=Medical microbiology|date=2013|publisher=Mosby|location=St. Louis, Mo.|isbn=9780323086929|page=418|edition=7th|url=https://books.google.com/books?id=RBEVsFmR2yQC&pg=PA418}}</ref><ref>{{cite book|last1=Goering|first1=Richard V.|title=Mims' medical microbiology.|date=2012|publisher=Saunders|location=Edinburgh|isbn=9780723436010|page=245|edition=5th|url=https://books.google.ca/books?id=pzQayLEQ5mQC&pg=PA245}}</ref> Gejala-gejala lan tanda-tandané lelara iki bisa nyakup keputihan, penile discharge, borok sing ana utawa ing skepungané alat kelamin, lan anané nyeri ing panggul. STI sing ditampa sadurungé utawa nalika meteng bisa ngasilaké ing bab èlèk kanggo bayiné. Sawenèh STI bisa nyebabaké masalah-masalah ing bisa ora néorané sing meteng.<ref name="WHO2014"><cite class="citation web">[http://www.who.int/mediacentre/factsheets/fs110/en/ "Sexually transmitted infections (STIs) Fact sheet N°110"]. ''who.int''. </cite></ref>
Luwih saka 30 [[Baktèri|baktéri-baktéri]], [[Virus|virus-virus]], lan parasit-parasit bisa nyebabaké STIsSTI.<ref name="WHO2014"><cite class="citation web">[http://www.who.int/mediacentre/factsheets/fs110/en/ "Sexually transmitted infections (STIs) Fact sheet N°110"]. ''who.int''. </cite></ref> STIsSTI sing disebabaké baktéri nyakup klamidia, gonorea, lan sipilis karo liya-liyané. STI sing disebabaké virus kalebu genital herpes, [[AIDS|HIV/AIDS]], lan genital warts liya-liyané. STI sing disebabaké parasit kalebu trichomoniasis karo liya-liyané. Sanajan lumrahé kasebar kanthi cumbana, sawenèh STI uga bisa ditularaké kanthi kontak non-sèksual lewat getih lan jaringan awak sing uwis kena kontaminasi, menyusui, utawa nalika ngelairaké anak.<ref name="WHO2014"><cite class="citation web">[http://www.who.int/mediacentre/factsheets/fs110/en/ "Sexually transmitted infections (STIs) Fact sheet N°110"]. ''who.int''. </cite></ref> Tès-tès kanggo ndiagnosa STI iku gampang ditemukaké ing nagara-nagara maju, nanging ing nagara ngembang durung mesthi.<ref name="WHO2014"><cite class="citation web">[http://www.who.int/mediacentre/factsheets/fs110/en/ "Sexually transmitted infections (STIs) Fact sheet N°110"]. ''who.int''. </cite></ref>
