RyszardJerzyChetkowskiMD

PubMed

• 1 citations
  Beyond the uterine first pass: optimizing programmed frozen embryo transfers. A mini-review
  Ryszard J. Chetkowski, Sofia Gaggiotti-Marre> ;F&S Reports. 2021 Jul 5
• Reprint of: Transvaginal ultrasound scanning of ovarian follicles.
  David R. Meldrum, Ryszard J. Chetkowski, Kenneth A. Steingold, Denise Randle> ;Fertility and Sterility. 2019 Oct 1
• Birth of a healthy child after pre-implantation genetic screening of embryos from sperm of a man with nonmosaic Down syndrome.
  Aghajanova L, Popwell JM, Chetkowski RJ, Herndon CN> ;J. Assist. Reprod. Genet.. 2016-05-01
• 3 citations
  Birth of a healthy child after preimplantation genetic screening of embryos from sperm of a man with non-mosaic Down syndrome.
  Lusine Aghajanova, Jean M Popwell, Ryszard J Chetkowski, Christopher N Herndon> ;Journal of Assisted Reproduction and Genetics. 2015 Sep 1
• 8 citations
  Consumer-friendly reporting of in vitro fertilization outcomes.
  Ryszard J. Chetkowski> ;Fertility and Sterility. 2014 Jan 1
• 29 citations
  Live births from frozen human semen stored for 40 years.
  Andras Z. Szell, Russell C. Bierbaum, W. Brent Hazelrigg, Ryszard J. Chetkowski> ;Journal of Assisted Reproduction and Genetics. 2013 Apr 25
• The ever-rising spiral of technology and cost.
  Ryszard J Chetkowski> ;Fertility and Sterility. 2006 Aug 1
• Detecting differences in endometrial maturation
  Bruce A. Lessey, Ryszard J. Chetkowski> ;Fertility and Sterility. 2005 Feb 1
• 35 citations
  Salpingectomy or proximal tubal occlusion of unilateral hydrosalpinx increases the potential for spontaneous pregnancy
  Arthur W. Sagoskin, Bruce A. Lessey, G.L. Mottla, Kevin S. Richter, Ryszard J. Chetkowski, Anne Lynn S. Chang, Michael J. Levy, Robert J. Stillman> ;Human Reproduction. 2003 Dec 1
• 42 citations
  Transfer and uterine factors are the major recipient-related determinants of success with donor eggs.
  Ulrike Zenke, Ryszard J. Chetkowski> ;Fertility and Sterility. 2003 Apr 1
• 5 citations
  Inclusion of heterozygotes for cystic fibrosis in the egg donor pool.
  Ulrike Zenke, Ryszard J. Chetkowski> ;Fertility and Sterility. 2002 Sep 1
• 8 citations
  Secondary donation of frozen embryos is more common after pregnancy initiation with donated eggs than after in vitro fertilization-embryo transfer and gamete intrafall...
  Bette Sehnert, Ryszard J. Chetkowski> ;Fertility and Sterility. 1998 Feb 1
• 50 citations
  In premature luteinization, progesterone induces secretory transformation of the endometrium without impairment of embryo viability.
  Ryszard J. Chetkowski, Robert J. Kiltz, William R. Salyer> ;Fertility and Sterility. 1997 Aug 1
• 29 citations
  Donation of frozen embryos after in vitro fertilization is uncommon
  Catherine V. Hounshell, Ryszard J. Chetkowski> ;Fertility and Sterility. 1996 Nov 1
• 25 citations
  The effect of pituitary suppression and the women’s age on embryo viability and uterine receptivity*
  Ryszard J. Chetkowski, Richard A. Rode, Victoria Burruel, Thomas E. Nass> ;Fertility and Sterility. 1992 Aug 1
• 40 citations
  Improved pregnancy outcome with the addition of leuprolide acetate to gonadotropins for in vitro fertilization.
  Ryszard J. Chetkowski, Lisa R. Kruse, Thomas E. Nass> ;Fertility and Sterility. 1989 Aug 1
• 23 citations
  Isofluorane inhibits early mouse embryo development in vitro.
  Ryszard J. Chetkowski, Thomas E. Nass> ;Fertility and Sterility. 1988 Jan 1
• 86 citations
  Evolution of a highly successful in vitro fertilization-embryo transfer program.
  David R. Meldrum, Ryszard J. Chetkowski, Kenneth A. Steingold, Dominique de Ziegler, Marcelle I. Cedars, Minda Hamilton> ;Fertility and Sterility. 1987 Jul 1
• 438 citations
  Biologic effects of transdermal estradiol.
  Ryszard J. Chetkowski, David R. Meldrum, Kenneth A. Steingold, Denise Randle, John K. H. Lu, Peter Eggena, Jerome M. Hershman, Norma Alkjaersig, Anthony P. Fletcher, H...> ;The New England Journal of Medicine. 1986 Jun 19
• 14 citations
  Optimization of hydrogen-ion concentration during aspiration of oocytes and culture and transfer of embryos.
  Ryszard J. Chetkowski, Thomas E. Nass, Dennis W. Matt, Fredesminda Hamilton, Kenneth A. Steingold, Denise Randle, David R. Meldrum> ;Journal of in Vitro Fertilization and Embryo Transfer. 1985 Dec 1
• 9 citations
  Autonomous Cortisol Secretion by a Lipoid Cell Tumor of the Ovary
  Chetkowski Rj, Howard L. Judd, Jagger Pi, Nieberg Rk, Chang Rj> ;JAMA. 1985 Nov 8
• 102 citations
  Treatment of Hot Flashes with Transdermal Estradiol Administration
  Kenneth A. Steingold, Larry R. Laufer, Ryszard J. Chetkowski, John Defazio, Dennis W. Matt, David R. Meldrum, Howard L. Judd> ;The Journal of Clinical Endocrinology and Metabolism. 1985 Oct 1
• 4 citations
  Solitary pelvic neural tumors with high steroid receptor content
  Ryszard Chetkowski, Hideki Sakamoto, Neil J. MacLusky, Maria J. Merino, Peter E. Schwartz> ;Gynecologic Oncology. 1985 Jan 1
• 19 citations
  Transvaginal ultrasound scanning of ovarian follicles.
  David R. Meldrum, Ryszard J. Chetkowski, Kenneth A. Steingold, Denise Randle> ;Fertility and Sterility. 1984 Nov 1
• 76 citations
  The incidence of late-onset congenital adrenal hyperplasia due to 21-hydroxylase deficiency among hirsute women.
  Ryszard J. Chetkowski, John Defazio, Issa M. Shamonki, Howard L. Judd, R. J. Chang> ;The Journal of Clinical Endocrinology and Metabolism. 1984 Apr 1
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Journal Articles

• Beyond the uterine first pass: optimizing programmed frozen embryo transfers. A mini-review  
  R J Chetkowski, S Gagiotti-Marre, F&S Reports, 7/4/2021