Related by context. Frequent words. (Click for all words.) 67 unprotected sex 61 intercourse 57 sexual intercourse 55 vaginal intercourse 54 sexually active 53 symptom onset 52 pelvic inflammatory disease 52 misoprostol 50 unintended pregnancy 50 ovulate 49 vaginally 48 PrEP 48 genital herpes 47 sexually transmitted infection 47 unwanted pregnancy 47 ovulation 47 ejaculate 46 abstinent 46 contraceptive 46 HAART 46 HIV infection 46 unwanted pregnancies 46 BARACLUDE 46 contraception 46 azithromycin 45 anal sex 45 HPV infection 44 ejaculation 44 tenofovir 44 contraceptive pill 44 sexually transmitted infections 44 isotretinoin 44 emergency contraception 44 emergency contraceptive 44 vaginal dryness 44 preterm labor 44 progestin 43 tPA 43 hormonal contraceptives 43 IUD 43 preterm delivery 43 topiramate 43 vaginal delivery 43 oral contraceptives 43 STIs 43 consensual sex 43 pregnant 42 aspirin therapy 42 uninfected 42 pregnancy 42 folic acid supplements 42 pregnancies 42 intramuscular injection 42 STDs 41 sexual encounters 41 antiretroviral therapy 41 embryos implanted 41 non nucleoside reverse 41 unintended pregnancies 41 cesarean delivery 41 ella 41 monogamous relationship 41 ectopic pregnancy 41 contraceptive methods 41 binge drink 41 hormone therapy 41 intrauterine 41 insemination 41 unplanned pregnancy 41 breast cancer recurrence 41 mifepristone 41 Nevirapine 41 HPV strains 41 breastfeed 41 estrogen therapy 41 viral load 41 donor sperm 41 menstrual cycle 40 postnatal depression 40 intravenously 40 viral loads 40 chlamydia 40 sexually transmitted diseases 40 cohabiting 40 preterm births 40 monogamous 40 unsafe abortions 40 epidural 40 fallopian tubes 40 progesterone 40 GARDASIL 40 sex 40 ejaculated 40 microbicides 40 vaginal birth 40 caesarean section 40 preterm birth 39 conceiving 39 cesarean section 39 nevirapine 39 intravenous drug