Related by context. Frequent words. (Click for all words.) 57 heterosexual 55 monogamous relationships 54 anal intercourse 53 monogamous 52 sexually active 52 heterosexuals 52 heterosexual intercourse 52 vaginal secretions 52 vaginal intercourse 52 Heterosexual 52 penetrative sex 52 uncircumcised men 51 consenting adult 50 sexually transmitted 49 unprotected sex 48 pre exposure prophylaxis 48 bisexual 48 gonorrhea 48 HPV# 48 cohabitating 48 cohabiting 48 sexually transmitted infection 48 HIV diagnoses 48 unprotected intercourse 48 sex 48 polyamorous 48 genital tract 48 co habiting 48 valacyclovir 47 HIV 47 sexual intercourse 47 IDUs 47 contracting sexually transmitted 47 uninfected 47 heterosexual males 46 STDs 46 sexually promiscuous 46 monogamous relationship 46 chlamydia gonorrhea 46 Heterosexuals 46 Nothing vulgar obscene 46 anal sex 46 intercourse 46 polyandry 46 Aziga 46 extramarital sex 46 cohabited 46 couples 46 bacterial vaginosis 45 condom usage 45 HIV infection 45 sexually transmitted infections STIs 45 sexually transmitted infections 45 seroconversion 45 viral loads 44 sexually transmitted diseases 44 STIs 44 HIV infected 44 unmarried 44 BRCA2 mutations 44 infected 44 pelvic inflammatory disease 44 NRTI 44 tenofovir 44 circumcised 44 trichomoniasis 44 genital herpes 44 sexually transmitted disease 44 heterosexual couples 44 pledgers 43 antenatal clinics 43 Diagnoses 43 polyamory 43 Pregnancies 43 abacavir 43 NNRTI 43 undetectable viral load 43 monogamy 43 HIV prevalence 43 uncircumcised 43 HIV infections 43 reinfection 43 transcriptase inhibitor NNRTI 42 Syphilis 42 PrEP 42 IPV 42 HPV infections 42 cunnilingus 42 HCV infected 42 Chlamydia 42 herpes 42 acquired immunodeficiency syndrome 42 hepatitis C HCV 42 cohabiting couples 42 donor sperm 42 Estonia Netherlands 42 abstinent 42 simian immunodeficiency virus 42 covariates 42 Wolbachia 42 HPV