Related by context. Frequent words. (Click for all words.) 66 cohabiting couples 66 cohabiting 60 cohabitating 58 heterosexual marriages 58 Cohabitation 57 heterosexual counterparts 57 monogamous relationships 55 cohabitation 55 unmarried 55 married couples 54 marriages 53 vaginal intercourse 53 stepfamilies 53 heterosexual 52 depressive symptoms 52 pelvic inflammatory disease 52 heterosexuals 52 Married couples 52 sexually active 52 BRCA2 mutations 52 childlessness 52 stepparents 51 childbearing 51 couples 51 heterosexual couples 50 menarche 50 HPV infections 50 marital 50 heterosexual marriage 50 psychological distress 50 childless 50 stepparent 50 monogamous 50 polygamous marriages 50 HPV infection 50 unmarried couples 50 spouse 50 Unmarried 50 oral contraception 49 cohabit 49 destructive behaviors 49 psychiatric diagnoses 49 uninsurance 49 low birthweight 49 postnatal depression 49 marriage 49 depressive disorders 48 neuroticism 48 unmarried heterosexual couples 48 intercourse 48 Pregnancies 48 sleep disturbances 48 longitudinal studies 48 obese adolescents 48 wedlock births 48 polycystic ovary syndrome 48 divorcing couples 48 spouses 48 heterosexual intercourse 48 febrile seizures 48 hormonal contraception 48 divorces 48 neurodevelopment 47 menopause 47 nondrinkers 47 adulthood 47 depression anxiety 47 mothers 47 perimenopause 47 telomere length 47 prescribed antidepressants 47 adolescents 47 cortisol levels 47 mental disorders 47 educational attainment 47 divorced 47 calcium supplementation 47 congenital abnormalities 47 childrearing 47 undergoing IVF 47 premenopausal 47 attention-deficit/hyperactivity disorder 47 preterm birth 47 comorbid conditions 47 preterm 47 socioeconomic status 47 prenatally 46 child rearing 46 bacterial vaginosis 46 urinary symptoms 46 stressors 46 stimulant medications 46 interracial couples 46 neurodevelopmental 46 adolescent males 46 psychotic disorders 46 monogamous relationship 46 prenuptial agreements 46 marrieds 46 divorcees 46 fathers