Related by context. Frequent words. (Click for all words.) 60 ectopic 57 pericardial effusion 57 thyroid nodules 57 placental tissue 57 lymph node metastasis 56 thrombi 55 uterine cavity 55 intracardiac 55 lymphadenopathy 55 congenital anomalies 54 teratoma 54 coagulopathy 54 infective endocarditis 54 recurrent miscarriage 54 stenoses 53 pulmonary embolism PE 53 pyelonephritis 53 perinatal mortality 53 pulmonary emboli 53 lymph node involvement 53 valvular 53 recanalization 53 tubal 53 postpartum hemorrhage 53 pancreatic tissue 53 tubal pregnancy 53 thrombophilia 53 congenital abnormality 53 thromboprophylaxis 52 hematuria 52 carotid stenosis 52 empyema 52 endometrial 52 premalignant 52 CMV infection 52 intra abdominal 52 hypoplasia 52 mononuclear cells 52 intraosseous 51 distant metastases 51 varicocele 51 axillary 51 POAG 51 NGAL 51 D dimer 51 IVF ICSI 51 subclinical 51 caesarean delivery 51 brain lesions 51 MGUS 51 echocardiographic 51 thyroid dysfunction 51 laparotomy 51 Caesarean deliveries 51 neonate 51 tumor resection 51 Pulmonary hypertension 51 pleural 51 logistic regression analysis 50 cystectomy 50 thromboembolism 50 maternal morbidity 50 biochemical recurrence 50 Human papillomavirus 50 congenital malformations 50 reintervention 50 microbiologic 50 catheterisation 50 HBsAg 50 congenital abnormalities 50 serologic 50 hypoxemia 50 iatrogenic 50 Chlamydia pneumoniae 50 ectopic pregnancy 50 deep venous thrombosis 50 polycystic ovary syndrome PCOS 50 antibiotic prophylaxis 50 transvaginal ultrasound 50 coronary angiography 49 chorionic villus sampling 49 endoscopist 49 myocardial ischemia 49 anatomical structures 49 sepsis 49 H pylori 49 pathophysiologic 49 superinfection 49 elevated CRP 49 intrauterine 49 systemic toxicity 49 Sertoli cells 49 S aureus 49 ectopic pregnancies 49 pulmonary embolus 49 aneuploidy 49 pleural effusion 49 genital tract 49 thromboembolic events 49 mammographic 49 carcinoid tumors