Related by context. Frequent words. (Click for all words.) 71 postpartum hemorrhage 66 pyelonephritis 66 maternal morbidity 65 antibiotic prophylaxis 64 placental abruption 64 hyperbilirubinemia 64 obstetric complications 64 neonates 63 perinatal 63 perinatal mortality 62 methemoglobinemia 62 coagulopathy 62 neonatal 61 hypoxemia 61 thromboprophylaxis 61 IVF ICSI 61 recurrent miscarriage 61 CMV infection 61 pericardial effusion 61 trimethoprim sulfamethoxazole 61 intrauterine 61 infective endocarditis 61 eclampsia 60 VUR 60 congenital anomalies 60 thrombophilia 60 % CI #.#-#.# [007] 59 empyema 59 Preterm 59 neonate 59 epidural anesthesia 59 Postoperative 59 hepatic failure 59 fetal distress 59 PPHN 59 meconium 59 adrenal insufficiency 59 preterm infants 59 % CI #.#-#.# [003] 59 toxemia 59 placenta previa 59 neonatal mortality 58 postoperative complications 58 HSCT 58 QTc prolongation 58 S aureus 58 caesarean delivery 58 Caesarean deliveries 58 adenotonsillectomy 58 valvular 58 shoulder dystocia 58 bacteremia 58 congenital abnormalities 58 de ath 58 terbutaline 58 multivariate analyzes 58 Cesarean delivery 58 weeks gestation 58 Gestational diabetes 58 Postnatal 58 postsurgical 57 endophthalmitis 57 cesarean delivery 57 potentially modifiable 57 extrapyramidal symptoms 57 Uterine 57 thyroid dysfunction 57 maternal fetal 57 low birthweight infants 57 born preterm 57 Tonsillectomy 57 catheterisation 57 Hemodynamic 57 rhinosinusitis 57 fibrinolysis 57 valvular heart 57 thromboembolism 56 preterm delivery 56 respiratory distress syndrome 56 posttreatment 56 inhaled nitric oxide 56 lymphadenopathy 56 locoregional 56 breastfed infants 56 ultrasonographic 56 unexplained infertility 56 lymphadenectomy 56 atherothrombosis 56 morbidity mortality 56 streptococcal 56 MTCT 56 central venous catheters 56 atopic 56 renal insufficiency 56 HBsAg 56 metabolic acidosis 56 subclinical hypothyroidism 56 logistic regression analysis 56 congenital anomaly 56 polycystic ovary syndrome PCOS 55 Thrombocytopenia