Associate Professor of Obstetrics and Gynecology, University Wash

Obstetrics & Gynecology

Doctor Nancy A. Klein, MD is an expert in the field of Obstetrics & Gynecology. She graduated from Vanderbilt University School of Medicine. She received 2 awards: "Super Doctor" and "Fellow (FACOG)". Nancy A. Klein is a published doctor and has 48 publications published. The lastest was: 'Endocrine changes of the perimenopause.'

Publications

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• Lifestyle factors associated with histologically derived human Ovarian non-growing follicle count in reproductive age women†.
• Ovarian primordial and nongrowing follicle counts according to the Stages of Reproductive Aging Workshop staging system.
• Diminished ovarian reserve and Infertility.
• Urinary beta-luteinizing hormone and beta-follicle stimulating hormone immunoenzymometric assays for population research.
• Age-related analysis of inhibin A, inhibin B, and activin a relative to the intercycle monotropic follicle-stimulating hormone rise in normal ovulatory women.
• Comparison of specific gravity and creatinine for normalizing urinary reproductive hormone concentrations.
• Statistical correction for non-parallelism in a urinary enzyme immunoassay.
• Endocrine assessment of relative reproductive age in normal eumenorrheic younger and older women across multiple cycles.
• Urinary estrone conjugate and pregnanediol 3-glucuronide enzyme immunoassays for population research.
• Is the short follicular phase in older women secondary to advanced or accelerated dominant follicle development?
• Assisted reproductive technology practice patterns and the impact of embryo transfer guidelines in the United States.
• Estimating human Ovarian non-growing follicle number: the application of modern stereology techniques to an old problem.
• A new model of reproductive aging: the decline in Ovarian non-growing follicle number from birth to menopause.
• Reproductive ageing and Ovarian function: is the early follicular phase FSH rise necessary to maintain adequate secretory function in older ovulatory women?
• Ovarian follicular concentrations of activin, follistatin, inhibin, insulin-like Growth factor I (IGF-I), IGF-II, IGF-binding protein-2 (IGFBP-2), IGFBP-3, and vascula...
• Ovarian follicular development and the follicular fluid hormones and Growth factors in normal women of advanced reproductive age.
• Reproductive aging: accelerated Ovarian follicular development associated with a monotropic follicle-stimulating hormone rise in normal older women.
• Utility of follicle stimulating hormone (FSH), luteinizing hormone (LH), oestradiol and FSH:LH ratio in predicting reproductive age in normal women.
• Practice patterns and outcomes with the use of single embryo transfer in the United States.
• The gonadotropin secretion pattern in normal women of advanced reproductive age in relation to the monotropic FSH rise.
• Elective single blastocyst transfer reduces twin rates without compromising Pregnancy rates.
• Circulating levels of Growth hormone, insulin-like Growth factor-I and Growth hormone binding protein in normal women of advanced reproductive age.
• An accurate, simple method for unbiased determination of primordial follicle number in the primate ovary.
• Decreased inhibin B secretion is associated with the monotropic FSH rise in older, ovulatory women: a study of serum and follicular fluid levels of dimeric inhibin A a...
• Effect of embryo transfer number on singleton and twin implantation Pregnancy outcomes after assisted reproductive technology.
• The anterior pituitary response to a gonadotropin-releasing hormone challenge test in normal older reproductive-age women.
• The pattern of Infertility diagnoses in women of advanced reproductive age.
• Continuous quality improvement and assisted reproductive technology multiple gestations: some progress, some answers, more questions.
• The effect of early fetal losses on twin assisted-conception Pregnancy outcomes.
• Morphometric analysis of primordial follicle number in pigtailed monkey ovaries: symmetry and relationship with age.
• The effect of early fetal losses on singleton assisted-conception Pregnancy outcomes.
• Endocrine changes of the perimenopause.
• Inhibin and reproductive aging in women.
• Influence of maternal age on meiotic spindle assembly in oocytes from naturally cycling women.
• Bacteria in the transfer catheter tip influence the live-birth rate after in vitro fertilization.
• Age-related analysis of inhibin A and B relative to the intercycle monotropic FSH rise in normal ovulatory women.
• Ovulation detection methods for urinary hormones: precision, daily and intermittent sampling and a combined hierarchical method.
• Congenital cervical atresia: report of seven cases and review of the literature.
• Consecutive versus alternating cycles of Ovarian stimulation using human menopausal gonadotrophin.
• Statistical analysis of factors affecting fertilization rates and clinical outcome associated with intracytoplasmic sperm injection.
• Serum progesterone concentrations on the day after human chorionic gonadotropin administration and progesterone/oocyte ratios predict in vitro fertilization/embryo tra...
• Changes in centrosomal domains during meiotic maturation in the human oocyte.
• Failure of oocyte activation after intracytoplasmic sperm injection using round-headed sperm.
• Late-onset hematometra and hematosalpinx in a woman with a noncommunicating Uterine horn. A case report.
• Cytokine regulation of cellular proliferation in Endometriosis.
• Enhanced expression of resident leukocyte interferon gamma mRNA in Endometriosis.
• Longitudinal changes in family outcomes of very low birth weight.

Schools

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• Vanderbilt University Medical School

• Vanderbuilt University Affiliated Hospitals

• University Of Tennessee Health Science Center

• The University Of Texas Health Science Center At San Antonio

• University of Tennessee

Procedures Preformed

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• Assisted Reproductive Technique
• Dilation and Curettage
• Donor Egg Collection
• Hysterosalpingography
• View All

Conditions Treated

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• Anovulation
• Cervicitis
• Ectopic Pregnancy
• Endometriosis
• View All

Doctors Specialties

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• Fertility Medicine
• Reproductive Endocrinology
• Reproductive Medicine
• Obstetrics
• Gynecology

Accepted Insurances

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Awards

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• Super Doctor
• Fellow (FACOG)

Education

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• University of Texas Health Science Center
• Vanderbilt University
• Vanderbilt University School of Medicine

Hospital

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• UW Medicine/Northwest Hospital & Medical Center
• EvergreenHealth

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