Related by context. All words. (Click for frequent words.) 72 thyroid dysfunction 70 unexplained infertility 70 recurrent miscarriage 70 anovulation 70 irregular menstrual cycles 69 Heavy menstrual bleeding 69 subfertile 69 varicocele 68 polycystic ovary syndrome PCOS 68 premature menopause 67 PCOD 67 ovulatory cycles 67 recurrent miscarriages 67 polycystic ovarian syndrome 66 polycystic ovaries 66 IUGR 66 irregular menstruation 66 azoospermia 66 hyperandrogenism 66 varicoceles 66 polycystic ovary syndrome 66 testicular tumors 66 orchitis 66 anovulatory infertility 66 retrograde ejaculation 66 multiple gestations 66 chorioamnionitis 66 fetal malformations 65 pattern baldness 65 endometrial hyperplasia 65 polycystic ovarian syndrome PCOS 65 ovulation induction 65 fibroids endometriosis 65 Genetic predisposition 65 infertility 65 ovarian hormones 65 primary ovarian insufficiency 64 Sexual dysfunction 64 hyperstimulation 64 chlamydial infection 64 lichen planus 64 endometritis 64 nephrolithiasis 64 dystocia 64 underactive thyroid gland 64 premenstrual syndrome PMS 64 ovarian hyperstimulation syndrome 64 dysfunctional voiding 64 vascular dysfunction 64 pelvic prolapse 64 irregular menstrual periods 64 heavy menstrual bleeding 64 Bacterial vaginosis 64 blocked fallopian tubes 64 Gynecomastia 63 ovulatory 63 abnormal vaginal bleeding 63 anal incontinence 63 gallstone disease 63 amenorrhoea 63 premature ovarian 63 genital abnormalities 63 testicular germ cell 63 thrombophilia 63 Vitamin B# deficiency 63 potentially modifiable 63 induce ovulation 63 epididymitis 63 microscopic hematuria 63 irregular menses 63 placentitis 63 androgen deficiency 63 leiomyomas 63 heritable variation 63 Androgenetic Alopecia 63 antenatal depression 63 estrogen deficiency 63 painful menstrual periods 62 androgenic hormones 62 cervicitis 62 androgen excess 62 intersexuality 62 urolithiasis 62 G6PD deficiency 62 placenta accreta 62 hirsutism 62 amenorrhea 62 vaginismus 62 Caesarean deliveries 62 abnormal uterine bleeding 62 chronic prostatitis 62 thyroid deficiency 62 hormone imbalances 62 urinary leakage 62 cryptorchidism 62 placenta praevia 62 gestational hypertension 62 Postnatal depression 62 hormonal stimulation 62 Vitamin D insufficiency 62 impair fertility 62 thyroid hormone levels 62 Hashimoto thyroiditis 62 transfusion syndrome 62 hypogonadal 62 neurodevelopmental outcomes 61 preeclamptic 61 Hypothyroidism 61 uterine prolapse 61 abnormal Pap test 61 Premature ejaculation 61 elevated CRP 61 ovarian hyperstimulation syndrome OHSS 61 bacterial vaginosis 61 secondary amenorrhea 61 Chlamydia infection 61 serum estradiol 61 carotid stenosis 61 hormone FSH 61 Male infertility 61 asymptomatic bacteriuria 61 serum testosterone levels 61 woman ovulates 61 endometrial thickness 61 Klinefelter syndrome 61 Polycystic Ovarian Syndrome PCOS 61 Androgenetic alopecia 61 Sarcopenia 61 coinfection 61 perinatal outcomes 61 SHBG levels 61 uncircumcised males 61 hypogonadotropic hypogonadism 61 IVF ICSI 61 vaginal infections 61 irregular menstrual cycle 61 Retrograde ejaculation 61 dentinal hypersensitivity 60 developmental abnormalities 60 parous women 60 anovulatory 60 gonococcal infection 60 recurrent UTI 60 hormonal fluctuations 60 chlamydia infection 60 neurodevelopmental outcome 60 menstrual dysfunction 60 abdominal adiposity 60 oophorectomy 60 menstrual irregularity 60 Genetic variants 60 ovarian hyperstimulation 60 androgen hormone 60 bacterial prostatitis 60 DHEA supplementation 60 overt hypothyroidism 60 abnormal pap smears 60 Preterm delivery 60 neurologic complications 60 thiopurine 60 postnatally 60 Male pattern baldness 60 testosterone supplementation 60 Inhibin B 60 Polycystic ovary syndrome PCOS 60 Polycystic Ovary Syndrome PCOS 60 Chlamydia trachomatis infection 60 thyrotropin 60 CVD mortality 60 underactive thyroid 60 polycystic ovary 60 behavioral disinhibition 60 untreated chlamydia 60 Ovarian cysts 60 Premature Ovarian Failure 60 ambiguous genitalia 60 bilateral oophorectomy 60 hereditary predisposition 60 serum testosterone 60 adnexal mass 60 hydrops 60 postmenopausal estrogen 60 telogen effluvium 60 singleton pregnancy 60 ovulations 60 Prostatitis 60 follicle stimulating hormone FSH 60 untreated gonorrhea 60 menstrual bleeding 60 prostatitis 60 EBV infection 60 primary aldosteronism 60 gonadotropins 60 thyrotropin levels 60 Endometrial cancer 60 Cognitive impairment 60 urethral stricture 60 subclinical hypothyroidism 60 atrophic gastritis 60 lactational 60 loop diuretics 60 pituitary hormone 60 adrenal function 60 prenatal exposures 60 reproductive tract infections 59 menstrual disorders 59 ovarian function 59 growth restriction IUGR 59 hypovitaminosis D 59 gestational diabetes mellitus GDM 59 Calcium intake 59 salivary flow 59 serum homocysteine 59 spontaneous preterm delivery 59 periodontal diseases 59 tubal reversal 59 vitamin D inadequacy 59 menstrual irregularities 59 vaginal lubrication 59 reproductive endocrine 59 reproductive hormones 59 fertility 59 bacteriuria 59 chromosomal anomalies 59 hormone androgen 59 CHD mortality 59 thromboembolic disease 59 Leydig cell 59 androgenic alopecia 59 prolactin levels 59 lipid elevations 59 congenital adrenal hyperplasia CAH 59 testicular dysgenesis syndrome 59 de novo mutations 59 testosterone deficiency 59 lactase deficiency 59 arterial thickening 59 perinatal complications 59 LUTS 59 folic acid deficiency 59 epigenetic changes 59 symptomatic fibroids 59 neurodevelopmental impairment 59 pyelonephritis 59 selenium deficiency 59 molar pregnancy 59 incidentalomas 59 premenstrual dysphoric disorder PMDD 59 hypothyroid 59 dietary calcium intake 59 neonatal morbidity 59 Hormonal imbalances 59 abnormal pap smear 59 congenital abnormalities 59 Uterine fibroids 59 preterm deliveries 59 autonomic dysfunction 59 precancerous cervical 59 male infertility 59 ELBW infants 59 menstrual abnormalities 59 serum urate levels 59 untreated celiac disease 59 pelvic inflammatory disease 59 abnormal Pap smears 59 undescended testicles 59 prostate cancer CaP 59 sFlt 1 59 pyloric stenosis 59 adrenal suppression 59 Polycystic Ovary Syndrome 59 post partum haemorrhage 59 AAT deficiency 59 Zinc deficiency 59 tumor histology 59 hermaphroditism 59 tract infections 59 periodontal gum disease 59 androgenetic alopecia 59 hormonal imbalances 59 Iron deficiency anemia 59 hyperemesis gravidarum 59 abruption 59 premenstrual symptoms 59 gonococcal infections 59 LVNC 59 delaying childbirth 59 anogenital distance 59 SIADH 59 POAG 59 vulval 59 neurocognitive deficits 59 mammographic density 59 Urinary tract 59 renal scarring 59 deafness meningitis 59 undergoing hysterectomy 59 genital HPV infections 59 hyperemesis 58 fetal chromosomal 58 Insulin sensitivity 58 mitochondrial mutations 58 hormonal disorder 58 muscle dysmorphia 58 cerebral infarction 58 chronic pelvic 58 shortened telomeres 58 facial clefts 58 mtDNA mutations 58 Testosterone deficiency 58 HIV HCV coinfected 58 SLNB 58 prolapsed uterus 58 gallstone formation 58 bacterial vaginosis BV 58 hereditary hemochromatosis 58 rectal gonorrhea 58 alkalosis 58 overactive bladder symptoms 58 hemodilution 58 cesarean births 58 multivariate adjustment 58 metabolic abnormalities 58 dysmenorrhoea 58 sonographic diagnosis 58 urinary tract symptoms 58 sex hormones estrogen 58 OAB symptoms 58 chromosomal disorders 58 postmenopausal hormone replacement 58 arterial stiffening 58 se xual 58 Magnesium deficiency 58 polycystic ovarian disease 58 Polycystic ovary syndrome 58 paraneoplastic 58 invasive carcinoma 58 microvascular disease 58 APOE genotype 58 elevated triglyceride levels 58 Ovary removal 58 postoperative infections 58 histologic subtype 58 chlamydial 58 decreased libido 58 dyspareunia 58 transaminase elevations 58 Vaginal dryness 58 nonmelanoma skin cancers 58 gynaecomastia 58 Wernicke encephalopathy 58 Fibroid tumors 58 Postpartum psychosis 58 sexual dysfunctions 58 female genital tract 58 placental malaria 58 genital tract 58 drug clomiphene 58 overactive thyroid gland 58 transferrin saturation 58 endometrial carcinoma 58 Hypogonadism 58 postpartum haemorrhage 58 Excessive sweating 58 predisposing factor 58 subclinical hyperthyroidism 58 hamartoma 58 reproductive abnormalities 58 antioxidant supplementation 58 reproductive disorders 58 Aortic stenosis 58 ductal breast cancer 58 Osteopenia 58 pre eclamptic 58 polyhydramnios 58 familial clustering 58 liver abscesses 58 abnormal Pap smear 58 subclinical disease 58 intrauterine infection 58 GnRH agonists 58 irregular ovulation 58 subtrochanteric 58 hypocalcaemia 58 nulliparous women 58 ovarian dysfunction 58 Hyperthyroidism 58 breast endometrial 58 oesophageal adenocarcinoma 58 menarche 58 premenopausal breast cancer 58 spontaneous remission 58 comorbid disorders 58 oocyte retrieval 58 fluoroquinolone resistance 58 fructose intolerance 58 vitro maturation 58 abnormal lipid levels 58 Eclampsia 58 coronary calcification 58 fibrocystic 58 otosclerosis 58 eosinophil count 58 olfactory dysfunction 58 Severe Primary IGFD 58 atypical ductal hyperplasia 58 pathologic fractures 58 atherogenic dyslipidemia 58 seropositivity 58 psychiatric comorbidities 58 myomas 58 familial aggregation 58 atopic 58 lobular cancer 58 CMV infection 58 hormonal disorders 58 serum vitamin D 58 sonographic appearance 58 genetically predetermined 58 predisposing factors 58 testosterone secretion 58 precocious puberty 58 Maternal obesity 58 APOE ε4 58 perioperative complications 58 handgrip strength 58 Gestational 58 inherited predisposition 58 probiotic supplementation 58 abnormal mammograms 58 seminomas 58 carotid plaques 58 undescended testes 58 Prostate enlargement 58 monozygotic twin 58 lobular breast cancer 57 circulating estrogens 57 pulmonary hypoplasia 57 2D 4D ratio 57 brachial plexus palsy 57 Grass tetany 57 unmeasured factors 57 paternal discrepancy 57 polyp recurrence 57 prolapse 57 Acute pancreatitis 57 hiatus hernia 57 infertility miscarriage 57 obstructive coronary artery 57 acetabular dysplasia 57 maternal morbidity 57 obstetric complications 57 serum lipid levels 57 dose ionizing radiation 57 breast abscesses 57 Varicose veins 57 Subgroup analyzes 57 Genetic variation 57 intact parathyroid hormone 57 decompensated cirrhosis 57 phthalate exposure 57 tetany 57 acute rheumatic fever 57 MetS 57 noncardiac 57 ovulated 57 aneuploidy screening 57 EIPH 57 uterine tumors 57 masculinization 57 alexithymia 57 cervical lesions 57 hormonal abnormalities 57 T1DM 57 corticosteroid induced 57 dysglycemia 57 nulliparous 57 adverse perinatal 57 erythema nodosum 57 hamartomas 57 nonfasting triglyceride levels 57 spontaneous preterm birth 57 Fecal incontinence 57 ovariectomy 57 postoperative pulmonary 57 preterm delivery 57 androgen deprivation 57 puerperal 57 Urinary tract infections 57 prolonged QT interval 57 vulvodynia 57 androgens male 57 hyponatraemia 57 thyroid nodules 57 osteoporotic fracture 57 genetic syndromes 57 vaginal secretions 57 surgically menopausal 57 C. trachomatis 57 DVT PE 57 ovarian stimulation 57 painful menstruation 57 familial adenomatous polyposis 57 cardiovascular disease hypertension 57 calcium oxalate stones 57 cortisol secretion 57 hyperinsulinemia 57 atopic eczema 57 estrous cycle 57 cystic fibrosis chronic pancreatitis 57 Menstrual cramps 57 clinically insignificant 57 Lumbar spinal stenosis 57 intrauterine contraception 57 de ath 57 intra uterine 57 somatoform disorders 57 cardiac insufficiency 57 mild analgesics 57 intracerebral 57 autoimmune thyroiditis 57 elective cesarean delivery 57 viral etiology 57 postoperative mortality 57 valvular heart disease 57 genital defects 57 myocardial fibrosis 57 choriocarcinoma 57 etiologic 57 affective psychoses 57 urinary symptoms 57 hypopituitarism 57 albumin excretion 57 VUR 57 iodine intake 57 Wernicke Korsakoff syndrome 57 genital tract infections 57 Hip dysplasia 57 male reproductive tract 57 gonococcal 57 folate deficiency 57 gastric cardia 57 oropharyngeal cancers 57 benign breast 57 autoimmune thyroid 57 thrombotic complications 57 birthweights 57 ASCUS 57 histological subtype 57 endometriosis ovarian cysts 57 periodontal infection 57 Follicle Stimulating Hormone FSH 57 Overactive bladder 57 magnesium intake 57 nonmelanoma skin cancer 57 vaginal hysterectomy 57 benign noncancerous 57 congenital malformations 57 cytomegalovirus infection 57 male reproductive organs 57 autistic traits 57 low birthweight infants 57 CIN3 57 hypothalamic amenorrhea 57 sexual dimorphism 57 vulvar pain 57 pulmonary dysfunction 57 aneuploidy 57 modifiable lifestyle 57 neoplasias 57 oestrogens 57 herpes infection 57 recurrent tonsillitis 57 stimulate ovulation 57 neurocognitive impairment 57 BRCA1 mutation carriers 57 hormone estradiol 57 anal cancers 57 pituitary disorders 57 insulin resistance syndrome 57 digestive disturbances 57 postpartum hemorrhage 57 gonadal 57 hydroxyvitamin D levels 57 urinary incontinence 57 folate metabolism 57 fragility fracture 57 serum parathyroid hormone 57 truncal 57 Personality traits 57 recessive genetic 57 egg retrieval 57 arterial calcification 57 FSAD 57 idiopathic scoliosis 57 thromboembolic complications 57 cerebral oxygenation 57 V Leiden 57 anti Mullerian hormone 57 trichomonas 57 hematological parameters 57 infantile hemangiomas 57 IVF pregnancies 57 neonatal encephalopathy 57 Chronic pelvic 57 nonhereditary 57 chromosomal abnormalities 56 LNG IUS 56 Intussusception 56 psychiatric comorbidity 56 neurologic deficits 56 hydroxyvitamin D concentrations 56 prenatally diagnosed 56 postoperative morbidity 56 thromboembolic 56 hyperammonemia 56 post thrombotic syndrome 56 breast asymmetry 56 faecal incontinence 56 Multivariate analyzes 56 hypercalciuria 56 hypercoagulability 56 HBV infection 56 birthweight babies 56 preterm infant 56 leiomyoma 56 spontaneous abortions 56 pathologic fracture 56 myoma 56 calcium excretion 56 underdiagnosis 56 sperm motility 56 varicella infection 56 benign prostate 56 elevated IOP 56 biopsied embryos 56 B# deficiency 56 phimosis 56 urinary calcium 56 metritis 56 ectopic pregnancies 56 keloid formation 56 peri natal 56 bladder bowel 56 Anorexia nervosa 56 erectile dysfunctions 56 breastfed infants 56 hypothalamic pituitary 56 hypertension diabetes mellitus 56 enterovirus infection 56 Helicobacter pylori infection 56 Excessive daytime sleepiness 56 fatty degeneration 56 conceptus 56 Acid reflux 56 hyperacidity 56 Prolactin 56 Stress urinary incontinence 56 congenital adrenal hyperplasia 56 urethritis 56 Hair follicles 56 HbF 56 phytoestrogen intake 56 BRCA carriers 56 aortic stiffness 56 vaginal yeast infections 56 congential 56 Oestrogen 56 ovarian follicles 56 postoperative delirium 56 poorer prognosis 56 elevated serum ALT 56 ovarian cysts 56 PAP smears 56 ovulatory dysfunction 56 nongenetic 56 Pelvic Inflammatory Disease 56 aetiological 56 erectile dysfunction impotence 56 PHPT 56 serum phosphate 56 chronic hepatitis cirrhosis 56 puerperal psychosis 56 intrapartum 56 vaginal discharge 56 vasectomy reversals 56 endotoxemia 56 DHEAS 56 BRCA mutation 56 LHRH agonists 56 left ventricular hypertrophy 56 inherit predisposition 56 atypical fractures 56 peri menopause 56 genital herpes infections 56 skeletal metastases 56 adiponectin levels 56 Pulmonary hypertension 56 Andropause 56 corpus luteum 56 serum IGF 56 impaired cognition 56 initiating HAART 56 Urinary tract infections UTIs 56 prophylactic mastectomies 56 untreated hypothyroidism 56 telomere lengths 56 Difficulty swallowing 56 R. equi 56 undiagnosed celiac disease 56 placental abruption 56 selenium intake 56 testicular cancers 56 subclinical 56 tubal 56 intermittent hypoxia 56 underactive thyroids 56 difficulty conceiving 56 gestational diabetes mellitus 56 undergoing IVF 56 prepregnancy BMI 56 abnormal lipid 56 CMV infections 56 cytologic 56 SGPT 56 cyclic HMB 56 apneic episodes 56 haemolytic anemia 56 serum retinol 56 metabolic disturbances 56 thyrotoxicosis 56 Polycystic 56 neonatal herpes 56 advanced adenoma 56 karyotypes 56 Melasma 56 body fatness 56 SRBD 56 delayed gastric emptying 56 hypercholesterolaemia 56 CYP#C# gene 56 Enlarged prostate 56 PGD PGS 56 CP CPPS 56 depressive symptomatology 56 endometrial cancers 56 menopause 56 urinary tract symptoms LUTS 56 follicular phase 56 oesophageal 56 Chronic Prostatitis 56 precancerous cervical lesions 56 orofacial clefts 56 postoperative complication 56 XMRV infection 56 HIV lipodystrophy 56 inherited mutations 56 GBA mutations 56 Chronic constipation 56 follicle stimulating hormone 56 β blockers 56 microchimerism 56 retransplantation 56 hormone therapy HT 56 urethral strictures 56 hormone aldosterone 56 cervical dilation 56 Urinary incontinence 56 Dilated cardiomyopathy 56 teratogenic 56 euthyroid 56 bowel cancers 56 rebreeding 56 subclinical atherosclerosis 56 AUDs 56 prolactin hormone 56 chronicity 56 WNV infections 56 gastric carcinoma 56 sperm morphology 56 bronchopulmonary dysplasia 56 testicular shrinkage 56 cardiac malformations 56 Vertebral fractures 56 Heritability 56 Socioeconomic status 56 haematuria 56 genital ulcer disease 56 corticosterone levels 56 familial pancreatic cancer 56 hyperparathyroidism 56 Mitral regurgitation 56 oral thrush 56 erectile difficulties 56 serum BDNF 56 inhibin B 56 calcium deficiency 56 hyperprolactinemia 56 Androgens 56 nutritional deficiency 56 nephrogenic 56 heterozygotes 56 albumin excretion rate 56 caesarean delivery 56 hepatitis B infection 56 advanced neoplasia 56 lipomas 56 Candida infection 56 serum calcium levels 56 VLBW 56 rheumatic disease 56 vulvar cancers 56 triiodothyronine 56 GH deficiency 56 neurosensory 56 adrenalectomy 56 EXJADE 56 serum PTH 56 postmenopausal breast cancer 56 ALT flares 56 serum concentrations 56 endocrine disorder 56 PMDD 56 spermatogenesis 56 uterus fallopian tubes 55 perioperative morbidity 55 Candidiasis 55 vaginal flora 55 teratogens 55 phthalate syndrome 55 Post partum depression 55 SRY gene 55 chlamydia infections 55 orchiectomy 55 Urinary tract infection 55 axillary node 55 PMS symptoms 55 HER2 expression 55 postmenopausal hormones 55 silent myocardial ischemia 55 plasma homocysteine levels 55 bilirubin levels 55 hormone secretion 55 Diverticulosis 55 diagnosed prenatally 55 Thyroid disorders 55 preserved ejection fraction 55 perinatal transmission 55 chronic pancreatitis 55 thyroid hormone deficiency 55 NNRTI resistance 55 immunosuppressive medications 55 nonpregnant women 55 dizygotic twins 55 tibolone 55 late onset hypogonadism 55 reoperations 55 Nicotine dependence 55 #q# deletion syndrome 55 dysuria 55 IgA deficiency 55 monoclonal gammopathy 55 oestradiol 55 Gestational age 55 endocrine tumors 55 urinary stones 55 basal cell cancers 55 hematopoietic cancers 55 polycystic 55 Adequate vitamin D 55 metabolic abnormality 55 VEGF expression 55 IM progesterone 55 Genital warts 55 phenotypic expression 55 mosaicism 55 valvular 55 estrogenic effects 55 androgens 55 penile cancers 55 H pylori 55 Pre eclampsia 55 homocysteine concentrations 55 Urge incontinence 55 lipodystrophy syndrome 55 neuritic 55 idiopathic intracranial hypertension 55 carotid IMT 55 carcinoid tumor 55 consanguineous marriages 55 HER2 overexpression 55 iron supplementation 55 mastalgia 55 immuno suppression 55 rheumatic disorders 55 jaw osteonecrosis 55 estrogen progestin therapy 55 endogenous hormones 55 Selenium deficiency 55 recurrent UTIs 55 calculi 55 comorbid anxiety 55 serum albumin 55 female hormones estrogen 55 Hip fracture 55 intravenous bisphosphonates 55 Dietary fats 55 menopausal symptom 55 Prehypertension 55 nonadherence 55 asymptomatic carriers 55 exotropia 55 prostate carcinogenesis 55 vaginal prolapse 55 Polycystic ovarian syndrome 55 chromosome abnormality 55 anatomical abnormalities 55 IDDM 55 cancerdefine 55 dermopathy 55 urinary dysfunction 55 postoperative infection 55 atherothrombosis 55 Hypertrophic cardiomyopathy 55 liver metastasis 55 vaginal estrogen 55 boar taint 55 cancerous enlargement 55 perimenopausal women 55 Genital herpes 55 thoracic aortic aneurysm 55 colonoscopic 55 sex hormone estrogen 55 pelvic girdle pain 55 Schaffir 55 Benign prostatic hyperplasia BPH 55 myelomeningocele 55 microvascular dysfunction 55 deafness neurological 55 lordosis 55 glucocorticoid therapy 55 Fibroids 55 haemorrhagic stroke 55 bronchopulmonary dysplasia BPD 55 Generalized anxiety disorder 55 oropharyngeal cancer 55 adrenal exhaustion 55 prenatal androgens 55 Autoimmune disorders 55 folate intake 55 wound dehiscence 55 Lactose intolerance 55 syncope fainting 55 CYP#D# genotype 55 congenital disorders 55 PPCM 55 somatoform disorder 55 onset diabetes mellitus 55 vaginitis 55 intestinal polyps 55 hyperhydrosis 55 ovulate 55 glomerular filtration 55 neonatal respiratory distress 55 fetal abnormalities 55 diabetic kidney 55 HeFH 55 vestibular dysfunction 55 Raynaud syndrome 55 breech births 55 hypochondriasis 55 arteriosclerotic 55 intraventricular hemorrhage 55 plasma lipid 55 genital lesions 55 glucocorticoid hormones 55 isolated systolic hypertension 55 ejaculatory dysfunction 55 umol L 55 Chronic inflammation 55 microscopic colitis 55 genital ulcers 55 artery stenosis 55 psychosocial variables 55 birthweight 55 venous thromboembolic disease 55 bacteraemia 55 hematuria 55 VCUG 55 thromboembolism 55 serotonin deficiency 55 #q# deletion 55 cerebral angiography 55 serum creatinine levels 55 thyroid abnormalities 55 plasma homocysteine 55 aneuploidies 55 monozygotic twins 55 endogenous estrogen