Related by context. Frequent words. (Click for all words.) 63 virginity pledges 62 virginity pledge 59 sexually active 58 condom usage 57 Sexually active 56 pledgers 54 anal intercourse 54 vaginal intercourse 54 unprotected anal sex 53 STDs 52 multivariate analyzes 52 Alan Guttmacher Institute 52 premarital sex 52 anal cancers 52 nonadherence 51 sexually transmitted infection 51 breastfed infants 51 null hypothesis 51 penetrative sex 51 remain abstinent 51 abstinence 51 elevated CRP 50 BRCA2 mutations 50 BRFSS 50 body fatness 50 adolescents 50 Social Attitudes 50 strongest predictors 50 oropharyngeal cancer 50 pelvic inflammatory disease 50 oral contraception 50 obese adolescents 50 Guttmacher 50 antisocial behaviors 50 sexually transmitted diseases 50 heterosexuals 50 prevalences 49 undertreatment 49 heterosexual 49 psychiatric diagnoses 49 sexual intercourse 49 contracting sexually transmitted 49 uncircumcised men 49 unexplained infertility 49 intercourse 49 STIs 49 attention-deficit/hyperactivity disorder ADHD 49 BRCA mutation 49 homosexual intercourse 49 Informed consent 48 antidepressant prescriptions 48 generalizable 48 biologically plausible 48 Acquired Immune Deficiency Syndromes 48 contraception 48 urinary symptoms 48 subgroup analyzes 48 latex condoms 48 bacterial vaginosis 48 Promiscuity 48 unintended pregnancy 48 untreated tooth decay 48 generalizability 48 Jewish Population Survey 48 affective disorders 48 HIV infection 48 prevalence 47 bmj.com 47 gravely immoral 47 monogamous relationships 47 Contraceptive 47 Sexually Transmitted Disease 47 menopausal hormone therapy 47 empiric 47 episiotomies 47 SIECUS 47 Oral contraceptives 47 ambiguous genitalia 47 uninsurance 47 nondrinkers 47 Zogby Poll 47 heterosexual intercourse 47 Diagnoses 47 lipid lowering therapy 47 premenopausal breast cancer 47 risky behaviors 47 unintended pregnancies 47 HbA1C 47 Alcohol Dependence 47 HIV prevalence 47 sexually transmitted infections 47 depressive symptoms 47 heterosexual counterparts 47 de ath 47 Misdiagnosis 47 binge drink 47 unprotected sexual intercourse 47 Epidemiological studies 47 preterm delivery 47 Pregnancies 47 Male circumcision