Willem Ombelet

Summary

Affiliation: AZ St-Blasius
Country: Belgium

Publications

  1. ncbi request reprint Affordable IVF for developing countries
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium
    Reprod Biomed Online 15:257-65. 2007
  2. ncbi request reprint Multiple gestation and infertility treatment: registration, reflection and reaction--the Belgian project
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium
    Hum Reprod Update 11:3-14. 2005
  3. doi request reprint Semen quality and prediction of IUI success in male subfertility: a systematic review
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium Faculty of Medicine and Life Sciences, Hasselt University, Martelarenlaan 42, Hasselt, Belgium Electronic address
    Reprod Biomed Online 28:300-9. 2014
  4. doi request reprint Is global access to infertility care realistic? The Walking Egg Project
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium Faculty of Medicine and Life Sciences, Hasselt University, Martelarenlaan 42, Hasselt, Belgium Electronic address
    Reprod Biomed Online 28:267-72. 2014
  5. doi request reprint Reproductive healthcare systems should include accessible infertility diagnosis and treatment: an important challenge for resource-poor countries
    Willem Ombelet
    Department of Obstetrics and Gynecology, Genk Institute for Fertility Technology, 3600 Genk, Belgium
    Int J Gynaecol Obstet 106:168-71. 2009
  6. pmc Infertility and the provision of infertility medical services in developing countries
    Willem Ombelet
    Department of Obstetrics and Gynaecology, Genk Institute for Fertility Technology, Schiepse Bos 6, 3600 Genk, Belgium
    Hum Reprod Update 14:605-21. 2008
  7. ncbi request reprint Relative contribution of ovarian stimulation versus in vitro fertilization and intracytoplasmic sperm injection to multifetal pregnancies requiring reduction to twins
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium
    Fertil Steril 88:997-9. 2007
  8. ncbi request reprint Chromomycin A3 staining, sperm chromatin structure assay and hyaluronic acid binding assay as predictors for assisted reproductive outcome
    Martine Nijs
    Genk Institute for Fertility Technology GIFT, Ziekenhuis Oost Limburg, Genk, Belgium
    Reprod Biomed Online 19:671-84. 2009
  9. ncbi request reprint Perinatal outcome of ICSI pregnancies compared with a matched group of natural conception pregnancies in Flanders (Belgium): a cohort study
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium
    Reprod Biomed Online 11:244-53. 2005
  10. doi request reprint Reprotoxicity of intrauterine insemination and in vitro fertilization-embryo transfer disposables and products: a 4-year survey
    Martine Nijs
    Genk Institute for Fertility Technology, Ziekenhuis Oost Limburg, Genk, Belgium
    Fertil Steril 92:527-35. 2009

Collaborators

Detail Information

Publications21

  1. ncbi request reprint Affordable IVF for developing countries
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium
    Reprod Biomed Online 15:257-65. 2007
    ..Special attention should be given to avoid adverse outcomes such as ovarian hyperstimulation and multiple embryo pregnancy...
  2. ncbi request reprint Multiple gestation and infertility treatment: registration, reflection and reaction--the Belgian project
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium
    Hum Reprod Update 11:3-14. 2005
    ....
  3. doi request reprint Semen quality and prediction of IUI success in male subfertility: a systematic review
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium Faculty of Medicine and Life Sciences, Hasselt University, Martelarenlaan 42, Hasselt, Belgium Electronic address
    Reprod Biomed Online 28:300-9. 2014
    ..This review identified an urgent need for more and better prospective cohort trials investigating the predictive value of semen parameters on IUI pregnancy rate. ..
  4. doi request reprint Is global access to infertility care realistic? The Walking Egg Project
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium Faculty of Medicine and Life Sciences, Hasselt University, Martelarenlaan 42, Hasselt, Belgium Electronic address
    Reprod Biomed Online 28:267-72. 2014
    ..The final objective of the Walking Egg Project is the implementation of infertility services in many developing countries, preferably integrated in existing family planning and mother care services. ..
  5. doi request reprint Reproductive healthcare systems should include accessible infertility diagnosis and treatment: an important challenge for resource-poor countries
    Willem Ombelet
    Department of Obstetrics and Gynecology, Genk Institute for Fertility Technology, 3600 Genk, Belgium
    Int J Gynaecol Obstet 106:168-71. 2009
    ..For reasons of social justice, a search for strategies to implement simplified methods of infertility diagnosis and treatment in resource-poor countries is urgently warranted...
  6. pmc Infertility and the provision of infertility medical services in developing countries
    Willem Ombelet
    Department of Obstetrics and Gynaecology, Genk Institute for Fertility Technology, Schiepse Bos 6, 3600 Genk, Belgium
    Hum Reprod Update 14:605-21. 2008
    ..New reproductive technologies are either unavailable or very costly in developing countries. This review provides a comprehensive survey of all important papers on the issue of infertility in developing countries...
  7. ncbi request reprint Relative contribution of ovarian stimulation versus in vitro fertilization and intracytoplasmic sperm injection to multifetal pregnancies requiring reduction to twins
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium
    Fertil Steril 88:997-9. 2007
    ..These reduced twin pregnancies may carry a higher perinatal risk compared with other twin pregnancies, which should be taken into account when assessing the perinatal outcome of twin pregnancies after assisted reproduction...
  8. ncbi request reprint Chromomycin A3 staining, sperm chromatin structure assay and hyaluronic acid binding assay as predictors for assisted reproductive outcome
    Martine Nijs
    Genk Institute for Fertility Technology GIFT, Ziekenhuis Oost Limburg, Genk, Belgium
    Reprod Biomed Online 19:671-84. 2009
    ..ICSI outcome was not influenced by any of the conventional or functional sperm parameters...
  9. ncbi request reprint Perinatal outcome of ICSI pregnancies compared with a matched group of natural conception pregnancies in Flanders (Belgium): a cohort study
    Willem Ombelet
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Genk, Belgium
    Reprod Biomed Online 11:244-53. 2005
    ..After excluding like-sex twin pairs, ICSI twins were at increased risk for prematurity, low birth weight and higher perinatal mortality compared with the natural conception comparison group...
  10. doi request reprint Reprotoxicity of intrauterine insemination and in vitro fertilization-embryo transfer disposables and products: a 4-year survey
    Martine Nijs
    Genk Institute for Fertility Technology, Ziekenhuis Oost Limburg, Genk, Belgium
    Fertil Steril 92:527-35. 2009
    ..To test consumables and other products used during oocyte collection, sperm preparation, IUI, embryo culture, and IVF-embryo transfer for their possible reprotoxic properties...
  11. ncbi request reprint Influence of freeze-thawing on hyaluronic acid binding of human spermatozoa
    Martine Nijs
    Genk Institute for Fertility Technology, Ziekenhuis Oost Limburg, Genk, Belgium
    Reprod Biomed Online 19:202-6. 2009
    ..3 +/- 20.4 of the frozen-thawed sample. This study indicates that freeze-thawing did not alter the functional hyaluronan binding sites of mature motile spermatozoa, and therefore will not alter their fertilizing potential...
  12. doi request reprint Influence of temperature and sperm preparation on the quality of spermatozoa
    Annelies Thijssen
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Ziekenhuis Oost Limburg, Schiepse Bos 6, 3600 Genk, Belgium Faculty of Medicine and Life Sciences, Hasselt University, Martelarenlaan 42, 3500 Hasselt, Belgium Electronic address
    Reprod Biomed Online 28:436-42. 2014
    ..The findings presented by this study may convince laboratories to change the routinely used sperm storage conditions in order to maximize the quality of the prepared sperm sample. ..
  13. doi request reprint A multi-center prospective, randomized, double-blind trial studying the effect of misoprostol on the outcome of intrauterine insemination
    Kelly Billiet
    Department of Obstetrics and Gynaecology, Ghent University Hospital, Ghent, Belgium
    Gynecol Obstet Invest 66:145-51. 2008
    ..We investigated the effect of misoprostol, a prostaglandin analogue, on the success rate of IUI...
  14. ncbi request reprint Predictors of oligoamenorrhea at 1-year follow-up in premenopausal women using a levonorgestrel-releasing intrauterine system
    Eric T de Jonge
    Department of Obstetrics and Gynecology, Ziekenhuis Oost Limburg Campus Sint Jan, 3600 Genk, Belgium
    Contraception 76:91-5. 2007
    ..The study was conducted to identify predictors of oligoamenorrhea at 12 months in levonorgestrel-releasing intrauterine system (LNG-IUS) users...
  15. ncbi request reprint Pregnancy after ICSI with ejaculated immotile spermatozoa from a patient with immotile cilia syndrome: a case report and review of the literature
    Karen Peeraer
    Genk Institute for Fertility Technology, Department of Obstetrics and Gynaecology, Ziekenhuis Oost Limburg, Schiepse Bos 6, 3600 Genk, Belgium
    Reprod Biomed Online 9:659-63. 2004
    ....
  16. ncbi request reprint Intrauterine pregnancy following transperitoneal oocyte and/or sperm migration in a woman with an ectopic (undescended) ovary
    Willem Ombelet
    Department of Obstetrics and Gynecology, Ziekenhuizen Oost Limburg, Schiepse Bos 6, 3600 Genk, Belgium
    Reprod Biomed Online 7:110-3. 2003
    ..Surprisingly, and although the largest follicle in the normally located ovary reached a maximum diameter of only 12 mm on repetitive ultrasound monitoring, this patient became pregnant and gave birth to a healthy baby boy...
  17. ncbi request reprint Obstetric and perinatal outcome of 1655 ICSI and 3974 IVF singleton and 1102 ICSI and 2901 IVF twin births: a comparative analysis
    Willem Ombelet
    Scientific Board of the Flemish Society of Obstetrics and Gynecology, Belgium
    Reprod Biomed Online 11:76-85. 2005
    ..6 versus 7.9%, OR = 0.79, CI = 0.65-0.98, P = 0.03). This large case-comparative retrospective analysis showed that the obstetric outcome and perinatal health of IVF and ICSI pregnancies is comparable...
  18. ncbi request reprint Perinatal outcome of 12,021 singleton and 3108 twin births after non-IVF-assisted reproduction: a cohort study
    Willem Ombelet
    Scientific Board of the Flemish Society of Obstetrics and Gynaecology, St Niklaas, Brussels
    Hum Reprod 21:1025-32. 2006
    ..In conclusion, COS/AI singleton and twin pregnancies are significantly disadvantaged compared to naturally conceived children...
  19. ncbi request reprint Survey on the future organisation of first-trimester ultrasound screening in Flanders, Belgium
    Wilfried Gyselaers
    Prenat Diagn 25:518-9. 2005
  20. ncbi request reprint Coming soon to your clinic: patient-friendly ART
    Guido Pennings
    Bioethics Institute Ghent, Ghent University, Blandijnberg 2, 9000 Gent, Belgium
    Hum Reprod 22:2075-9. 2007
    ..The inclusion of the four criteria in decision-making about treatment would express these values in clinical practice...