Related by context. Frequent words. (Click for all words.) 56 Sahlgrenska University 55 Statens Serum Institut 54 Rigshospitalet 54 Karolinska University 53 Sahlgrenska Academy 53 Bergström 53 Leiden University 52 Makrides 52 Vrije University 52 intra uterine 52 intracytoplasmic sperm injection ICSI 51 Caesarean delivery 51 Ulleval University 51 thrombophilia 51 Umea University 50 Linköping University 50 Chavarro 49 ovulation induction 49 polycystic ovaries 49 low birthweight 49 intracytoplasmic sperm injection 49 IVF ICSI 49 Karolinska Hospital 49 Cell Sci 49 Nordic Cochrane 49 unexplained infertility 48 placenta previa 48 caesarean delivery 48 persistent pulmonary hypertension 48 MB ChB 48 J. Clin 48 Heinrich Heine University 48 recurrent miscarriage 48 Umeå University 48 MD Dr.PH 48 birthweight 48 congenital abnormalities 48 irregular menstrual cycles 48 glucose tolerance test 48 Cesarean delivery 48 Knopman 48 postpartum hemorrhage 48 thyroid hormone levels 48 Bergholdt 48 perinatal mortality 48 Huddinge 47 recurrent miscarriages 47 subsp 47 Kuopio 47 Paltiel 47 Vestergaard 47 MD tells WebMD 47 Jørgensen 47 Giraffe gives 47 multivariate logistic regression 47 Cancer Res 47 Van Cauter 47 CNA ch 47 Ravussin 47 obstetric complications 47 cryptorchidism 47 Scanpix 47 #:#-# [029] 47 #:#-# [035] 47 hypertensive disorders 47 maternal morbidity 47 Artificial insemination 47 Reproductive Biology 47 preterm deliveries 47 Winkelmayer 47 Corresponding author 47 Gynaecologist 46 Eur J 46 Trichopoulos 46 Barbro 46 MD DrPH 46 Arch Neurol 46 gallstone disease 46 bronchopulmonary dysplasia 46 Katholieke Universiteit Leuven 46 By Miranda Hitti 46 abnormal uterine bleeding 46 andrology 46 J Pediatr 46 Helmholtz Zentrum München 46 DuoFertility 46 preterm delivery 46 journal Fertility 46 Förster 46 J Am Soc 46 #:#-# [033] 46 Bilthoven 46 Eur Heart 46 Centre de Recherche 46 Birth Cohort 46 Johann Wolfgang Goethe 46 pyelonephritis 46 Am J Cardiol 46 N Engl J 46 Karolinska Institutet 46 J Am Acad