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Karl Richard Hansen

TitleAssociate Professor & Chair
InstitutionUniversity of Oklahoma Health Sciences Center
DepartmentObstetrics and Gynecology
Address800 Stanton L Young Blvd
Oklahoma City OK 73104-5020
Phone405/271-9200
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    Collapse Research 
    Collapse research activities and funding
    U10HD077680     (HANSEN, KARL RICHARD)Sep 24, 2013 - Jun 30, 2018
    NIH/NICHD
    Luteal Progesterone Supplementation in Clomiphene Citrate-IUI Cycles
    Role: Principal Investigator

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
    List All   |   Timeline
    1. Diamond MP, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson PA, Christman GM, Huang H, Hansen KR, Baker V, Usadi R, Seungdamrong A, Bates GW, Rosen RM, Schlaff W, Haisenleder D, Krawetz SA, Barnhart K, Trussell JC, Santoro N, Eisenberg E, Zhang H. Sexual function in infertile women with polycystic ovary syndrome and unexplained infertility. Am J Obstet Gynecol. 2017 Aug; 217(2):191.e1-191.e19. PMID: 28455078.
      View in: PubMed
    2. Penzias A, Bendikson K, Butts S, Coutifaris C, Falcone T, Fossum G, Gitlin S, Gracia C, Hansen K, Mersereau J, Odem R, Rebar R, Reindollar R, Rosen M, Sandlow J, Vernon M. ASRM standard embryo transfer protocol template: a committee opinion. Fertil Steril. 2017 Apr; 107(4):897-900. PMID: 28292611.
      View in: PubMed
    3. Engmann L, Jin S, Sun F, Legro RS, Polotsky AJ, Hansen KR, Coutifaris C, Diamond MP, Eisenberg E, Zhang H, Santoro N. Racial and ethnic differences in the polycystic ovary syndrome metabolic phenotype. Am J Obstet Gynecol. 2017 May; 216(5):493.e1-493.e13. PMID: 28104402.
      View in: PubMed
    4. Styer AK, Jin S, Liu D, Wang B, Polotsky AJ, Christianson MS, Vitek W, Engmann L, Hansen K, Wild R, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson P, Christman GM, Christy A, Diamond MP, Eisenberg E, Zhang H, Santoro N. Association of uterine fibroids and pregnancy outcomes after ovarian stimulation-intrauterine insemination for unexplained infertility. Fertil Steril. 2017 Mar; 107(3):756-762.e3. PMID: 28089575.
      View in: PubMed
    5. Quaas AM, Hansen KR. The role of steroid hormone supplementation in non-assisted reproductive technology treatments for unexplained infertility. Fertil Steril. 2016 Dec; 106(7):1600-1607. PMID: 27793379.
      View in: PubMed
    6. Quaas AM, Hansen KR. Time to "cool off"? Examining indications for "elective deferred frozen embryo transfer". J Assist Reprod Genet. 2016 Dec; 33(12):1551-1552. PMID: 27722935.
      View in: PubMed
    7. Hansen KR, He AL, Styer AK, Wild RA, Butts S, Engmann L, Diamond MP, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson P, Christman GM, Huang H, Santoro N, Eisenberg E, Zhang H. Predictors of pregnancy and live-birth in couples with unexplained infertility after ovarian stimulation-intrauterine insemination. Fertil Steril. 2016 Jun; 105(6):1575-1583.e2. PMID: 26949110; PMCID: PMC4893990 [Available on 06/01/17].
    8. Peck JD, Quaas AM, Craig LB, Soules MR, Klein NA, Hansen KR. Lifestyle factors associated with histologically derived human ovarian non-growing follicle count in reproductive age women. Hum Reprod. 2016 Jan; 31(1):150-7. PMID: 26497957.
      View in: PubMed
    9. Steiner AZ, Diamond MP, Legro RS, Schlaff WD, Barnhart KT, Casson PR, Christman GM, Alvero R, Hansen KR, Geisler WM, Thomas T, Santoro N, Zhang H, Eisenberg E. Chlamydia trachomatis immunoglobulin G3 seropositivity is a predictor of reproductive outcomes in infertile women with patent fallopian tubes. Fertil Steril. 2015 Dec; 104(6):1522-6. PMID: 26413816; PMCID: PMC4663111 [Available on 12/01/16].
    10. Diamond MP, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson P, Christman GM, Ager J, Huang H, Hansen KR, Baker V, Usadi R, Seungdamrong A, Bates GW, Rosen RM, Haisenleder D, Krawetz SA, Barnhart K, Trussell JC, Ohl D, Jin Y, Santoro N, Eisenberg E, Zhang H. Letrozole, Gonadotropin, or Clomiphene for Unexplained Infertility. N Engl J Med. 2015 Sep 24; 373(13):1230-40. PMID: 26398071; PMCID: PMC4739644.
    11. Usadi RS, Diamond MP, Legro RS, Schlaff WD, Hansen KR, Casson P, Christman G, Wright Bates G, Baker V, Seungdamrong A, Rosen MP, Lucidi S, Thomas T, Huang H, Santoro N, Eisenberg E, Zhang H, Alvero R. Recruitment strategies in two reproductive medicine network infertility trials. Contemp Clin Trials. 2015 Nov; 45(Pt B):196-200. PMID: 26386293; PMCID: PMC4766588 [Available on 11/01/16].
    12. Kuang H, Jin S, Thomas T, Engmann L, Hansen KR, Coutifaris C, Casson P, Christman G, Alvero R, Santoro N, Eisenberg E, Diamond MP, Legro RS, Zhang H. Predictors of participant retention in infertility treatment trials. Fertil Steril. 2015 Nov; 104(5):1236-43.e1-2. PMID: 26354094; PMCID: PMC4630082 [Available on 11/01/16].
    13. Kuang H, Jin S, Hansen KR, Diamond MP, Coutifaris C, Casson P, Christman G, Alvero R, Huang H, Bates GW, Usadi R, Lucidi S, Baker V, Santoro N, Eisenberg E, Legro RS, Zhang H. Identification and replication of prediction models for ovulation, pregnancy and live birth in infertile women with polycystic ovary syndrome. Hum Reprod. 2015 Sep; 30(9):2222-33. PMID: 26202922; PMCID: PMC4542721.
    14. Diamond MP, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson P, Christman GM, Ager J, Huang H, Hansen KR, Baker V, Usadi R, Seungdamrong A, Bates GW, Rosen RM, Haisonleder D, Krawetz SA, Barnhart K, Trussell JC, Jin Y, Santoro N, Eisenberg E, Zhang H. Assessment of multiple intrauterine gestations from ovarian stimulation (AMIGOS) trial: baseline characteristics. Fertil Steril. 2015 Apr; 103(4):962-973.e4. PMID: 25707331; PMCID: PMC4529113.
    15. Quaas AM, Weedin EA, Hansen KR. On-label and off-label drug use in the treatment of endometriosis. Fertil Steril. 2015 Mar; 103(3):612-25. PMID: 25637479.
      View in: PubMed
    16. Zavy MT, Craig LB, Wild RA, Kahn SN, O'Leary D, Hansen KR. In high responding patients undergoing an initial IVF cycle, elevated estradiol on the day of hCG has no effect on live birth rate. Reprod Biol Endocrinol. 2014 Nov 28; 12:119. PMID: 25430541; PMCID: PMC4258294.
    17. Knowlton NS, Craig LB, Zavy MT, Hansen KR. Validation of the power model of ovarian nongrowing follicle depletion associated with aging in women. Fertil Steril. 2014 Mar; 101(3):851-6. PMID: 24424370.
      View in: PubMed
    18. Hansen KR. Predicting reproductive age with biomarkers of ovarian reserve--how (and what) are we measuring? Semin Reprod Med. 2013 Nov; 31(6):416-26. PMID: 24101222.
      View in: PubMed
    19. Khan S, Mannel L, Koopman CL, Chimpiri R, Hansen KR, Craig LB. The use of MRI in the pre-surgical evaluation of patients with androgen insensitivity syndrome. J Pediatr Adolesc Gynecol. 2014 Feb; 27(1):e17-20. PMID: 24001432.
      View in: PubMed
    20. Hansen KR, Craig LB, Zavy MT, Klein NA, Soules MR. Ovarian primordial and nongrowing follicle counts according to the Stages of Reproductive Aging Workshop (STRAW) staging system. Menopause. 2012 Feb; 19(2):164-71. PMID: 22189385; PMCID: PMC3267013.
    21. Huang H, Hansen KR, Factor-Litvak P, Carson SA, Guzick DS, Santoro N, Diamond MP, Eisenberg E, Zhang H. Predictors of pregnancy and live birth after insemination in couples with unexplained or male-factor infertility. Fertil Steril. 2012 Apr; 97(4):959-67. PMID: 22270557; PMCID: PMC3319287.
    22. Hansen KR, Hodnett GM, Knowlton N, Craig LB. Correlation of ovarian reserve tests with histologically determined primordial follicle number. Fertil Steril. 2011 Jan; 95(1):170-5. PMID: 20522327.
      View in: PubMed
    23. Hansen KR, Soules MR. Counting ovarian follicles is not without its challenges. Fertil Steril. 2008 Apr; 89(4):1028-9; author reply 1029. PMID: 18325502.
      View in: PubMed
    24. Hansen KR, Knowlton NS, Thyer AC, Charleston JS, Soules MR, Klein NA. A new model of reproductive aging: the decline in ovarian non-growing follicle number from birth to menopause. Hum Reprod. 2008 Mar; 23(3):699-708. PMID: 18192670.
      View in: PubMed
    25. Charleston JS, Hansen KR, Thyer AC, Charleston LB, Gougeon A, Siebert JR, Soules MR, Klein NA. Estimating human ovarian non-growing follicle number: the application of modern stereology techniques to an old problem. Hum Reprod. 2007 Aug; 22(8):2103-10. PMID: 17548367.
      View in: PubMed
    26. Califano JA, Confer SD, Galati V, Oguejiofor I, Manatt CS, Hansen KR, Culkin DJ. Hydronephrosis in a woman undergoing in vitro fertilization. Urology. 2007 Feb; 69(2):384.e19-20. PMID: 17320689.
      View in: PubMed
    27. Hansen KR, Thyer AC, Sluss PM, Bremner WJ, Soules MR, Klein NA. Reproductive ageing and ovarian function: is the early follicular phase FSH rise necessary to maintain adequate secretory function in older ovulatory women? Hum Reprod. 2005 Jan; 20(1):89-95. PMID: 15550499.
      View in: PubMed
    28. Klein NA, Houmard BS, Hansen KR, Woodruff TK, Sluss PM, Bremner WJ, Soules MR. Age-related analysis of inhibin A, inhibin B, and activin a relative to the intercycle monotropic follicle-stimulating hormone rise in normal ovulatory women. J Clin Endocrinol Metab. 2004 Jun; 89(6):2977-81. PMID: 15181087.
      View in: PubMed
    29. Hansen KR, Morris JL, Thyer AC, Soules MR. Reproductive aging and variability in the ovarian antral follicle count: application in the clinical setting. Fertil Steril. 2003 Sep; 80(3):577-83. PMID: 12969701.
      View in: PubMed
    30. Hansen KR, Krasnow SM, Nolan MA, Fraley GS, Baumgartner JW, Clifton DK, Steiner RA. Activation of the sympathetic nervous system by galanin-like peptide--a possible link between leptin and metabolism. Endocrinology. 2003 Nov; 144(11):4709-17. PMID: 12960003.
      View in: PubMed
    31. Synnestvedt K, Furuta GT, Comerford KM, Louis N, Karhausen J, Eltzschig HK, Hansen KR, Thompson LF, Colgan SP. Ecto-5'-nucleotidase (CD73) regulation by hypoxia-inducible factor-1 mediates permeability changes in intestinal epithelia. J Clin Invest. 2002 Oct; 110(7):993-1002. PMID: 12370277; PMCID: PMC151145.
    32. Hansen KR, Resta R, Webb CF, Thompson LF. Isolation and characterization of the promoter of the human 5'-nucleotidase (CD73)-encoding gene. Gene. 1995 Dec 29; 167(1-2):307-12. PMID: 8566797.
      View in: PubMed
    33. Puffinbarger NK, Hansen KR, Resta R, Laurent AB, Knudsen TB, Madara JL, Thompson LF. Production and characterization of multiple antigenic peptide antibodies to the adenosine A2b receptor. Mol Pharmacol. 1995 Jun; 47(6):1126-32. PMID: 7603451.
      View in: PubMed
    34. Hansen KR, Resta R, Webb CF, Thompson LF. Ecto-5'-nucleotidase (CD73): genomic cloning and characterization of regions upstream of the translation start site. Adv Exp Med Biol. 1994; 370:689-92. PMID: 7660997.
      View in: PubMed
    35. Resta R, Hooker SW, Hansen KR, Laurent AB, Park JL, Blackburn MR, Knudsen TB, Thompson LF. Murine ecto-5'-nucleotidase (CD73): cDNA cloning and tissue distribution. Gene. 1993 Nov 15; 133(2):171-7. PMID: 8224905.
      View in: PubMed
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