Related by context. Frequent words. (Click for all words.) 68 preterm 63 preterm delivery 61 preterm infants 61 neonates 61 gestational 58 gestation 58 preterm birth 53 infants 53 confidence interval CI 52 comorbidities 52 index BMI 52 ng ml 52 premature infants 52 preeclampsia 51 pre eclampsia 51 serum creatinine 51 ng mL 51 perinatal 51 malformations 51 p = #.# [002] 51 n = 50 preterm births 50 waist circumference 50 postnatal 50 valproate 50 gestational diabetes 50 preoperative 50 premature babies 49 breastfed 49 depressive symptoms 49 fetus 49 born prematurely 49 comorbidity 49 postpartum 49 neonatal 49 fetuses 49 utero 49 % CI #.#-#.# [002] 49 mm Hg 48 preemies 48 postoperatively 48 μg 48 postoperative 48 ischemic stroke 48 vaginal delivery 48 prospective cohort 48 chromosomal abnormalities 48 socioeconomic status 48 g dL 48 prematurity 47 corticosteroids 47 ≥ 47 placental 47 multivariate analysis 47 mg kg 47 myocardial infarction 47 idiopathic 47 GFR 47 plasma concentrations 47 venous thromboembolism 47 newborns 47 FEV1 46 estradiol 46 VTE 46 p = #.# [004] 46 ejection fraction 46 post partum 46 nanograms per 46 stillbirth 46 systolic blood pressure 46 mg dl 46 mmol L 46 p = 46 CI = 46 breast fed 46 revascularization 46 diastolic blood pressure 45 pregnancy 45 placebo 45 mg dL 45 renal function 45 pre menopausal 45 cardiovascular mortality 45 mcg 45 oxygen saturation 45 statistically significant 45 caesarean section 45 proteinuria 45 lung function 45 neural tube defects 45 confounding factors 45 preterm labor 45 pregnancies 45 stenosis 45 hyperglycemia 45 adenomas 45 BMIs 45 aspirin therapy 45 babies 45 creatinine 45 disease progression