Related by context. Frequent words. (Click for all words.) 61 preterm babies 61 preterm infants 59 preterm 58 neonate 58 Preterm birth 57 hyperbilirubinemia 56 weeks gestation 56 neonates 56 premature infants 56 preterm births 56 cesareans 56 cesarean delivery 55 low birthweight babies 55 premature babies 55 perinatal mortality 55 epidural anesthesia 55 spinal anesthesia 55 eclampsia 55 uterine rupture 55 maternal fetal 55 polycystic ovarian syndrome 55 neonatal 54 intrauterine 54 fetal distress 54 low birthweight 54 attention-deficit/hyperactivity disorder ADHD 54 Premature babies 54 de ath 54 magnesium sulfate 54 caesarean delivery 54 amenorrhea 54 preterm delivery 54 cesarean deliveries 54 inhaled nitric oxide 54 CMV infection 53 cesarean section 53 Gestational diabetes 53 thrombolytic therapy 53 Cesarean 53 anticoagulation therapy 53 heart arrhythmias 53 metabolic abnormalities 53 congenital abnormalities 53 comorbid conditions 53 gastroschisis 52 neonatologists 52 cryptorchidism 52 polycystic ovary syndrome 52 LQTS 52 HSCT 52 perinatal 52 unexplained infertility 52 folate intake 52 Retinopathy 52 neurological complications 52 neural tube defect 52 birthweight 52 neonatal mortality 52 heavy menstrual bleeding 52 Caesarean section 52 menarche 52 neurodevelopment 52 Fibroids 51 premature menopause 51 morbidities 51 gestational age 51 serum sodium 51 renal transplantation 51 preeclampsia 51 congenital anomalies 51 developmental abnormalities 51 caesarean section 51 gastroesophageal reflux 51 cesarean sections 51 caesarean sections 51 caesarian section 51 HLHS 51 preterm birth 51 dysmenorrhea 51 Sexual dysfunction 51 cesarean 51 post operatively 51 prenatally 51 VUR 51 preterm labor 51 solid organ transplantation 51 Preeclampsia 51 Hypothyroidism 50 vaginal births 50 pre eclampsia 50 hirsutism 50 ambiguous genitalia 50 serum concentrations 50 androgen deprivation 50 ovarian stimulation 50 infants 50 Obstructive Sleep Apnea 50 Obstructive sleep apnea 50 low calorie diets 50 endometrial cancers 50 Pre eclampsia