Related by context. Frequent words. (Click for all words.) 61 ectopic pregnancies 59 obstetric complications 59 fetal abnormalities 56 spontaneous abortions 55 postpartum hemorrhage 55 recurrent miscarriage 55 oral contraceptive pills 54 tibolone 54 thrombophilia 54 de ath 54 ectopic pregnancy 54 pregnancies 53 confounding variables 53 endometrial cancers 53 ovulated 53 fluoxetine Prozac 53 pelvic inflammatory disease 53 colorectal adenomas 52 miscarriages 52 multivariate analyzes 52 congenital anomalies 52 congenital malformations 52 gallbladder disease 52 placental abruption 52 herpes infection 52 postoperative complications 52 unexplained infertility 51 perinatal mortality 51 ectopic 51 menstrual bleeding 51 Caesarean deliveries 51 Oral contraceptives 51 cryptorchidism 51 anal cancers 51 Mifepristone 51 cesarean deliveries 51 polycystic ovaries 50 preterm delivery 50 polycystic ovary syndrome PCOS 50 thyroid dysfunction 50 myocardial infarctions 50 heavy menstrual bleeding 50 pregnancy 50 chorionic villus sampling 50 intrauterine 50 ovarian cysts 50 poor metabolizers 50 polycystic ovarian syndrome 50 thyroid nodules 50 lipid lowering drugs 50 thromboembolism 49 premature menopause 49 genes BRCA1 49 abnormalities 49 myocardial infarction MI 49 hemorrhagic strokes 49 hydroxychloroquine 49 Pregnancies 49 oral contraceptive pill 49 agranulocytosis 49 parathyroid 49 breast lumps 49 hormone pills 49 teratogenic 49 CMV infection 49 chromosomal abnormalities 49 oral contraceptives 49 nonmelanoma skin cancer 49 neural tube defect 48 invasive cervical cancer 48 congenital abnormalities 48 epidural anesthesia 48 terbutaline 48 polycystic ovary syndrome 48 elevated CRP 48 carotid stenosis 48 Cesarean sections 48 uterine rupture 48 precocious puberty 48 Urinary tract infections 48 lipid abnormalities 48 sexual dysfunctions 48 cerebrovascular events 48 tubal 48 prescribed antidepressants 48 anticonvulsants 48 mifepristone 48 sentinel nodes 48 HBV infection 48 MAOIs 48 cervical abnormalities 48 estrogen progestin pills 48 uncontrolled bleeding 48 BRCA mutation 47 leflunomide 47 Estrogens 47 psychotic illnesses 47 NHANES III 47 underwent hysterectomy 47 vaginal cancers 47 thyroid stimulating hormone