Related by context. Frequent words. (Click for all words.) 78 preterm birth 74 premature births 69 premature birth 64 stillbirths 63 pregnancies 62 prematurity 62 maternal deaths 60 births 60 preeclampsia 60 gestational diabetes 57 pre eclampsia 57 unintended pregnancies 57 stillbirth 56 maternal mortality 55 SIDS 54 breast cancers 54 obstetricians 53 pregnancy 53 infant mortality 53 cervical cancer 53 childbirth 52 obesity 52 invasive breast cancer 52 prenatal care 52 abortions 52 teen pregnancies 52 premature babies 52 endometrial cancer 52 folic acid 51 HIV infection 51 hip fractures 51 cervical cancers 51 heart disease 51 cardiovascular disease 50 vitamin D deficiency 50 gum disease 50 HIV infections 49 premature infants 49 obese 49 childbearing age 49 fibroids 49 caesarean section 49 birth defects 49 unwanted pregnancies 48 infertility 48 SSRIs 48 neonatal 48 colorectal cancer 48 infant mortality rate 48 thrombosis 48 teenage pregnancy 48 breast feeding 48 obstetric 48 teen pregnancy 47 expectant mothers 47 born prematurely 47 oral contraceptives 47 prostate cancers 47 breastfeeding 47 babies 47 MRSA infections 47 newborns 47 salt intake 47 progesterone 47 metabolic syndrome 47 HIV prevalence 47 insulin resistance 47 Caesarean section 47 chlamydia 47 hospitalizations 47 sexually transmitted infections 47 infants 47 Gynecologists 47 sudden cardiac death 46 Obstetricians 46 rotavirus 46 pertussis 46 periodontal disease 46 infections 46 tooth decay 46 vitamin D 46 breast tumors 46 cholesterol lowering drugs 46 Infertility 46 coronary heart 46 post menopausal 46 ovarian cancer 46 folate 46 lung cancers 46 Obstetrics 46 endometriosis 45 GERD 45 Obesity 45 urinary incontinence 45 postpartum depression 45 prenatal 45 breastfeed 45 childbearing 45 chronic diseases 45 hip fracture 45 cervix