Related by context. Frequent words. (Click for all words.) 70 neonatal mortality 64 congenital abnormalities 62 congenital malformations 61 maternal mortality ratio 60 low birthweight 60 births 60 perinatal 60 birthweight 60 neonatal 60 low birthweight babies 60 maternal deaths 59 cardiovascular mortality 59 neural tube defect 59 maternal mortality 59 infant mortality 58 preterm births 58 stillbirth 58 invasive cervical cancer 58 preterm delivery 58 mortality 58 CMV infection 58 preterm birth 57 thromboembolism 57 reducing maternal mortality 57 neonates 57 cardiovascular disease CVD 57 Coronary heart 56 gestational age 56 congenital anomalies 56 preterm infants 56 Maternal mortality 56 antenatal care 56 caesarean sections 55 Caesarean delivery 55 thrombotic events 55 premature births 55 stillbirths 55 childbirths 55 preterm 55 incidence 55 comorbid conditions 55 retrospective cohort study 55 myocardial infarction MI 55 morbidity 55 caesareans 55 morbidity mortality 55 Preterm birth 55 preterm babies 55 disease CHD 54 eclampsia 54 cesarean delivery 54 Arch Intern Med 54 maternal newborn 54 Premature birth 54 thromboembolic events 54 menarche 54 infant mortality rate 54 VTE 54 myocardial infarction stroke 54 fetal distress 54 pulmonary embolism PE 54 polycystic ovary syndrome 53 comorbidity 53 sociodemographic 53 prematurity 53 prospective cohort 53 folate intake 53 serum concentrations 53 weeks gestation 53 Infant mortality 53 Mortality 53 preeclampsia 53 obstetric 53 distant metastases 53 IVF cycles 53 Anaemia 52 invasive pneumococcal disease 52 glomerular filtration rate 52 Teenage pregnancy 52 rehospitalization 52 pre eclampsia 52 seroconversion 52 bariatric procedures 52 vitamin D insufficiency 52 hypospadias 52 death syndrome SIDS 52 cesareans 52 HIV AIDS prevalence 52 virologic failure 52 venous thromboembolism 52 % CI #.#-#.# [006] 52 gastroschisis 52 adiposity 52 LQTS 52 venous thrombosis 52 malformations 52 antenatal clinics 52 alcoholic liver 52 nondiabetic 52 prevalence 52 morbidities