Related by context. Frequent words. (Click for all words.) 64 thrombophilia 63 unexplained infertility 62 preterm deliveries 61 intrapartum 61 recurrent miscarriage 61 IVF ICSI 61 obstetric complications 61 polycystic ovaries 61 intracytoplasmic sperm injection 61 congenital abnormalities 60 congenital malformations 60 congenital anomalies 59 ovulation induction 59 Caesarean deliveries 58 perinatal mortality 58 postpartum hemorrhage 58 low birthweight infants 58 pyelonephritis 57 caesarean delivery 57 born preterm 57 chromosome abnormalities 57 maternal morbidity 57 polycystic ovary syndrome PCOS 57 developmental abnormalities 56 CMV infection 56 chromosomal defects 56 neonates 56 bacteraemia 56 neural tube defect 56 placental abruption 56 polycystic ovary syndrome 56 mechanically ventilated patients 55 gynecologic procedures 55 hyperbilirubinemia 55 irregular menstrual cycles 55 adenotonsillectomy 55 ambiguous genitalia 55 Caesarean delivery 55 de ath 55 intrauterine insemination 55 Hirschsprung disease 54 thromboprophylaxis 54 teratogenic 54 neonate 54 congenital disorders 54 Cesarean delivery 54 caesarian section 54 maternal fetal 54 Cesarean sections 54 coinfection 54 preterm infants 54 intrauterine 54 neurological complications 54 asthma exacerbations 54 antibiotic prophylaxis 54 metabolic abnormalities 54 low birthweight 54 atherothrombosis 54 empyema 53 birthweight 53 prepubertal 53 developmental psychology 53 newborn infants 53 thyroid dysfunction 53 TTTS 53 Foetal 53 predisposing factors 53 % CI #.#-#.# [007] 53 bilirubin levels 53 respiratory distress syndrome 53 ependymoma 53 menstrual disorders 53 Premature babies 53 inborn errors 53 ovulated 53 cesarean delivery 53 Urinary tract infections 53 Sertoli cells 53 congenital defects 53 hypospadias 52 methemoglobinemia 52 varicocele 52 Newborn screening 52 hormonal disorders 52 weeks gestation 52 necrotizing enterocolitis 52 neonatal ward 52 potentially modifiable 52 genetic polymorphisms 52 VUR 52 electively 52 precocious puberty 52 % CI #.#-#.# [003] 52 chromosomal disorder 52 autistic traits 52 congenital adrenal hyperplasia 52 chromosomal abnormalities 52 Gestational diabetes 52 delivered vaginally 52 premature menopause 52 hepatitis B vaccination