Related by context. Frequent words. (Click for all words.) 72 perinatal mortality 69 obstetric complications 66 thrombophilia 64 postpartum hemorrhage 63 congenital malformations 63 born preterm 63 thromboprophylaxis 62 Caesarean deliveries 62 multivariate analyzes 61 unexplained infertility 61 retrospective cohort study 61 caesarean delivery 61 hyperbilirubinemia 60 birthweight 60 congenital abnormalities 60 perinatal 60 low birthweight 60 polycystic ovary syndrome PCOS 60 thyroid dysfunction 59 neonatal mortality 59 Antenatal 59 metabolic parameters 59 prevalences 59 varicocele 58 comorbid conditions 58 NHANES III 58 placental abruption 58 iron supplementation 58 HRQoL 58 Arch Intern Med 58 polycystic ovaries 58 zinc supplementation 58 outcomes 58 beta blocker therapy 58 de ath 58 atherothrombosis 58 elevated CRP 58 colorectal cancer CRC 57 somatic symptoms 57 univariate 57 liver transplant recipients 57 VUR 57 breastfed infants 57 potential confounders 57 breastfed babies 57 HRQOL 57 pharmacological interventions 57 menarche 57 cesarean deliveries 57 Preterm 57 affective disorders 57 polycystic ovarian syndrome 57 TTTS 57 cryptorchidism 57 Caesarean delivery 57 sociodemographic 57 oophorectomy 57 cesarean delivery 57 nonobese 57 paclitaxel eluting stents 57 prognostic factors 57 preterm infants 57 polycystic ovary syndrome 57 low birthweight babies 57 morbidities 57 placenta previa 57 Gestational diabetes 57 potentially modifiable 56 antibiotic prophylaxis 56 MetS 56 comorbidity 56 prepubertal 56 contralateral breast cancer 56 Preterm Birth 56 cesareans 56 dietary intakes 56 Depressive symptoms 56 neonates 56 Exclusion criteria 56 vitamin supplementation 56 preterm birth 56 Arrhythmias 56 episiotomies 56 preterm babies 56 shoulder dystocia 56 hypoxemia 56 body fatness 56 renal transplantation 56 psychosocial functioning 56 preterm delivery 56 tibolone 56 comorbidities 56 covariate 56 neonatal 55 hormonal disorders 55 neonate 55 obese adolescents 55 endometrial cancers 55 bariatric procedures 55 metabolic abnormalities 55 epidural anesthesia