Related by context. Frequent words. (Click for all words.) 69 intrapartum 62 bronchopulmonary dysplasia 61 intra uterine 61 postpartum hemorrhage 61 obstetric complications 61 thrombophilia 61 persistent pulmonary hypertension 60 noncardiac 60 congenital abnormalities 60 hyperbilirubinemia 60 Postnatal 60 unexplained infertility 60 irregular menstrual cycles 60 preterm deliveries 60 de ath 60 pyelonephritis 60 febrile illness 60 antibiotic prophylaxis 59 cholestasis 59 recurrent miscarriage 59 adenoidectomy 59 % CI #.#-#.# [007] 59 candidemia 59 pericardial effusion 59 coinfection 59 infective endocarditis 59 low birthweight infants 59 neurologic complications 59 teratogenic 58 thyroid hormone levels 58 CMV infection 58 upper airway obstruction 58 thromboprophylaxis 58 mechanically ventilated patients 58 multivariate logistic regression 58 congenital anomalies 58 sociodemographic characteristics 58 polycystic ovary syndrome PCOS 58 empyema 58 hypertensive disorders 58 placental abruption 58 abnormal uterine bleeding 57 chest radiographs 57 methemoglobinemia 57 asthma exacerbations 57 polycystic ovary syndrome 57 postnatally 57 retrospective cohort study 57 heparin induced thrombocytopenia 57 hyperemesis gravidarum 57 LYSTEDA 57 immunocompetent 57 Gestational diabetes 57 menstrual disorders 57 multivariate analyzes 57 Candidiasis 57 ovulation induction 57 bacteraemia 57 hepatic failure 57 coagulopathy 57 Exclusion criteria 56 VUR 56 congenital disorders 56 congenital birth defects 56 ruptured uterus 56 Arch Intern Med 56 hydronephrosis 56 thyroiditis 56 Hematologic 56 Influenza vaccination 56 postoperative complications 56 subclinical hypothyroidism 56 metabolic acidosis 56 Caesarean deliveries 56 maternal morbidity 56 status epilepticus 56 vaccinees 56 confidence interval #.#-#.# 56 neurological abnormalities 56 chronic rhinosinusitis 56 hepatitis B vaccination 55 glucose tolerance test 55 nonpregnant 55 hypophosphatemia 55 born preterm 55 amenorrhea 55 precocious puberty 55 TEAEs 55 adenotonsillectomy 55 thyroid dysfunction 55 % CI #.#-#.# [003] 55 Renal impairment 55 febrile seizure 55 antithrombotic therapy 55 tubal pregnancy 55 Nonsurgical 55 Pharmacologic 55 Preterm 55 interquartile range 55 reoperations 55 toxemia