Related by context. Frequent words. (Click for all words.) 66 STDs 63 heterosexual 61 circumcised 61 chlamydia 60 sexually transmitted disease 60 sexually transmitted diseases 60 unprotected sex 60 sexually transmitted infections 59 contraception 59 HIV infection 58 bisexual 57 vaccinated 57 premarital sex 57 sexual intercourse 56 intercourse 56 heterosexuals 56 HIV infections 56 HPV 56 HPV vaccine 56 HIV prevalence 55 HIV infected 55 pregnant 54 HIV 54 anal sex 54 abstinence 54 gonorrhea 53 condom 53 unmarried 51 adolescents 51 contraceptive 51 immunized 51 condoms 50 monogamous 50 cervical cancer 49 circumcision 49 contraceptives 49 obese 49 pregnancies 48 homosexual 48 oral contraceptives 48 childbearing age 48 promiscuous 47 HIV prevention 47 syphilis 47 Gardasil 47 sexuality 47 infertile 47 celibate 46 menopause 46 genital warts 46 pertussis 46 homosexuals 46 sex 46 infected 46 lesbians 46 emergency contraception 46 childbearing 46 Condoms 46 STD 46 pregnancy 45 vaccination 45 sexual 45 teen pregnancy 45 chickenpox 45 gay 44 vaccinating 44 vaccinate 44 abortions 44 intravenous drug 44 mammograms 44 sexual encounters 43 post menopausal 43 hysterectomy 43 whooping cough 43 vaccine 43 transgendered 43 consensual sex 43 HIV AIDS 43 masturbation 43 lesbian 43 H#N# vaccine 43 mumps 43 binge drinking 42 adolescent 42 herpes 42 teenage pregnancy 42 mammogram 42 married 42 homosexuality 42 childless 42 asymptomatic 42 gays 42 breastfeed 42 puberty 41 parental consent 41 oral sex 41 romantically involved 41 females 41 married couples 41 vaccinations 41 UNAIDS