Linked from
The 57 pages that link to Sexually transmitted infection, each with the reason it gives.
SyphilisNarrower topic: Syphilis belongs to this broader group of infections.
CunnilingusNarrower topic: Some infections can pass between partners during cunnilingus.
FellatioNarrower topic: Some infections can pass between partners during oral-genital contact.
TribadismNarrower topic: Genital rubbing can transmit certain infections even without penetration.
HerpesNarrower topic: Genital herpes is one member of this broad group.