Related by context. Frequent words. (Click for all words.) 65 sexually transmitted diseases 64 STDs 63 sexually transmitted infections 61 STIs 61 sexually transmitted infections STIs 61 contracting sexually transmitted 58 sexually transmitted infection 58 HIV infection 58 vaginal infections 57 unwanted pregnancies 57 sexually transmitted disease 56 unprotected sex 56 sexually active 56 unprotected sexual intercourse 56 promiscuity 56 pelvic inflammatory disease 56 anal intercourse 55 unprotected anal sex 55 Sexually transmitted diseases 54 sexual promiscuity 54 unwanted pregnancy 54 risky behaviors 54 condom usage 54 Pregnancies 54 contraception 54 unintended pregnancy 54 fetal abnormalities 53 HIV 53 teenage pregnancies 53 heterosexual intercourse 52 Teenage pregnancy 52 vaginal secretions 52 bacterial vaginosis 52 premarital sex 52 penetrative sex 52 reinfection 51 gonorrhea 51 sexually transmitted 51 contraceptive methods 51 unplanned pregnancy 51 CMV infection 51 unsafe abortions 50 MSMs 50 vaginal infection 50 hiv 50 unprotected intercourse 50 Nothing vulgar obscene 50 Human Papillomavirus 50 Oestrogen 49 sexually promiscuous 49 intercourse 49 polycystic ovary syndrome 49 Male circumcision 49 chlamydia 49 hormonal contraception 49 unplanned pregnancies 49 teenage pregnancy 48 pregnancies 48 sexual intercourse 48 Human Papilloma Virus HPV 48 contraceptives 48 HIV infections 48 vaginal intercourse 48 Multiple births 48 unintended pregnancies 48 ectopic pregnancies 48 anal sex 48 terminating pregnancy 48 HIV infected 48 HIV prevalence 48 Masturbation 48 condoms 48 gravely immoral 48 oral contraception 48 adolescents 48 teen pregnancy 48 spontaneous abortions 48 sex 47 medicalization 47 breast tenderness 47 HPV infection 47 Chlamydia 47 childbirths 47 HIV AIDs 47 IDUs 47 Gonorrhea 47 heterosexuals 47 prevent unwanted pregnancies 47 premature menopause 47 HBV infection 47 chlamydia gonorrhea 47 condom 47 nonadherence 47 acquired immunodeficiency syndrome 47 genital herpes 47 pregnancy 47 syphilis 47 cesareans 47 urinary symptoms 47 contraceptive 47 pneumococcal vaccination