Related by context. Frequent words. (Click for all words.) 64 preterm births 63 folic acid 60 preterm birth 60 premature births 58 birth defects 57 Folic acid 55 stillbirths 55 gestational diabetes 53 preeclampsia 53 endometrial cancer 53 pre eclampsia 53 folate 52 preterm 52 pregnancies 52 prematurity 52 spina bifida 51 premature birth 51 malformations 51 iron deficiency 51 stillbirth 50 vitamin D deficiency 50 maternal deaths 50 childhood leukemia 50 SIDS 50 calcium intake 50 invasive breast cancer 49 birth defect 48 colorectal cancer 48 colorectal cancers 48 births 48 rickets 48 vitamin D 48 heart disease 48 dietary fiber 48 dietary fat 48 pregnancy 48 childbearing age 48 breast cancers 47 malnutrition 47 thyroid function 47 premature infants 47 genetic abnormalities 47 cancers 47 hip fractures 47 insulin resistance 47 hypoglycemia 47 ectopic pregnancy 46 breast cancer recurrence 46 vitamin B# 46 tooth decay 46 maternal mortality 46 vitamin D supplements 46 salt intake 46 calcium supplements 46 teenage pregnancies 46 malformation 46 premature babies 46 onset diabetes 46 cervical cancer 46 rubella 46 postnatal depression 46 infant mortality 46 measles 46 cervical cancers 46 nutritional deficiencies 45 venous thromboembolism 45 obesity 45 unintended pregnancy 45 gestational age 45 vaccine preventable diseases 45 metabolic syndrome 45 colon cancers 45 cardiovascular disease 45 pneumococcal disease 45 choline 45 adenomas 44 preterm labor 44 prediabetes 44 supplementation 44 ovarian cancers 44 bowel cancer 44 atherosclerosis 44 dose aspirin 44 amniocentesis 44 post menopausal 44 gene mutation 44 abnormalities 44 infections 44 Malnutrition 44 Hib 44 rotavirus 44 unwanted pregnancies 44 coronary heart 44 perinatal 44 beta carotene 44 acute malnutrition 44 preemies 44 bloodstream infections 43 infants 43 miscarriages 43 per deciliter