Related by context. Frequent words. (Click for all words.) 60 monogamous relationships 60 Human papillomavirus 59 Sexually active 59 Genital herpes 57 monogamous relationship 56 discordant couples 55 vaginal secretions 54 preventing unwanted pregnancies 54 monogamous 53 causes genital warts 53 unprotected sexual intercourse 53 Human Papilloma Virus 53 oral herpes 53 Influenza vaccination 53 urethritis 53 vaginal infections 52 consenting adult 52 bacterial vaginosis 52 herpes infection 52 remain abstinent 52 Oral contraceptives 52 contracting sexually transmitted 52 oral contraception 51 cervical intraepithelial neoplasia 51 STDs 51 anal intercourse 51 Genital warts 51 latent TB infection 51 sexually transmitted infection 51 HIV uninfected 51 Unprotected sex 51 HBV infection 51 syphilis gonorrhea 51 CMV infection 51 sexually active 50 Human Papillomavirus 50 sexually transmitted disease 50 varicocele 50 latex condom 50 transmitted diseases 50 periodontal gum disease 50 heterosexuals 50 tuberculin skin test 50 immunosuppressed 50 H pylori 50 vaginal tissue 50 indinavir 49 unexplained infertility 49 pelvic inflammatory disease 49 genital herpes 49 Sexual dysfunction 49 Bacterial infections 49 Sexual intercourse 49 hiv 49 contaminated needles 49 anal cancers 49 recurrent miscarriage 49 unprotected anal sex 49 reinfection 49 sexual dysfunctions 49 abstinent 48 herpes 48 Unvaccinated 48 oestradiol 48 sexually transmitted 48 elevated CRP 48 sexually transmitted diseases 48 hormonal contraception 48 BRCA mutation 48 pre exposure prophylaxis 48 heterosexual 48 penetrative sex 48 STIs 48 HIV infection 47 PREZISTA r 47 unprotected intercourse 47 serial monogamy 47 valacyclovir 47 Informed consent 47 vaginitis 47 conjugate vaccine 47 intercourse 47 precocious puberty 47 homosexual intercourse 47 HPV infection 47 thrombophilia 47 genital tract 47 prolactin levels 47 premenopausal breast cancer 47 teratogenic 47 ectopic pregnancies 47 HPV infections 47 Estrogens 47 Chlamydia pneumoniae 47 herpes infections 47 Oestrogen 47 vaginal infection 47 FeLV 47 oropharyngeal cancer 47 causes chickenpox 47 Herpes Simplex Virus