Jan Gerris

Summary

Affiliation: Ghent University
Country: Belgium

Publications

  1. ncbi request reprint Elective single day 3 embryo transfer halves the twinning rate without decrease in the ongoing pregnancy rate of an IVF/ICSI programme
    Jan Gerris
    Center for Reproductive Medicine, Middelheim Hospital, Lindendreef 1, 2020 Antwerp, Belgium
    Hum Reprod 17:2626-31. 2002
  2. ncbi request reprint The near elimination of triplets in IVF
    Jan Gerris
    Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, University Hospital Ghent, De Pintelaan 185, 9000 Ghent, Belgium
    Reprod Biomed Online 15:40-4. 2007
  3. ncbi request reprint Single-embryo transfer versus multiple-embryo transfer
    Jan Gerris
    Centre for Reproductive Medicine, University Hospital Ghent, Ghent, Belgium
    Reprod Biomed Online 18:63-70. 2009
  4. ncbi request reprint Impact of a restriction in the number of embryos transferred on the multiple pregnancy rate
    Diane De Neubourg
    Department of Obstetrics Gynecology Fertility, Centre for Reproductive Medicine, Middelheim Hospital, Lindendreef 1, 2020 Antwerp, Belgium
    Eur J Obstet Gynecol Reprod Biol 124:212-5. 2006
  5. doi request reprint Effect of temporary nuclear arrest by phosphodiesterase 3-inhibitor on morphological and functional aspects of in vitro matured mouse oocytes
    Leen Vanhoutte
    Infertility Centre, Ghent University Hospital, Ghent, Belgium
    Mol Reprod Dev 75:1021-30. 2008
  6. ncbi request reprint Should we adjust for gestational age when analysing birth weights? The use of z-scores revisited
    Ilse Delbaere
    Department of Obstetrics and Gynaecology, Ghent University, De Pintelaan 185, B 9000 Ghent, Belgium
    Hum Reprod 22:2080-3. 2007
  7. ncbi request reprint Efficiency of assisted oocyte activation as a solution for failed intracytoplasmic sperm injection
    Björn Heindryckx
    Department for Reproductive Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium
    Reprod Biomed Online 17:662-8. 2008
  8. doi request reprint Developmental competence of parthenogenetic mouse and human embryos after chemical or electrical activation
    Karen Versieren
    Department of Reproductive Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium
    Reprod Biomed Online 21:769-75. 2010
  9. doi request reprint Slow controlled-rate freezing of human in vitro matured oocytes: effects on maturation rate and kinetics and parthenogenetic activation
    Karen Versieren
    Department of Reproductive Medicine, Ghent University Hospital, Ghent, Belgium
    Fertil Steril 96:624-8. 2011
  10. ncbi request reprint Effect of ionomycin on oocyte activation and embryo development in mouse
    Elke Heytens
    Centre for Reproductive Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium
    Reprod Biomed Online 17:764-71. 2008

Detail Information

Publications31

  1. ncbi request reprint Elective single day 3 embryo transfer halves the twinning rate without decrease in the ongoing pregnancy rate of an IVF/ICSI programme
    Jan Gerris
    Center for Reproductive Medicine, Middelheim Hospital, Lindendreef 1, 2020 Antwerp, Belgium
    Hum Reprod 17:2626-31. 2002
    ..Data on the effect of elective single embryo transfer (eSET) on the total and multiple pregnancy rates of an IVF/ICSI programme are reported...
  2. ncbi request reprint The near elimination of triplets in IVF
    Jan Gerris
    Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, University Hospital Ghent, De Pintelaan 185, 9000 Ghent, Belgium
    Reprod Biomed Online 15:40-4. 2007
    ..A correlation appears to exist between the percentage of SET cycles and the incidence of triplets. It is suggested that the solution to almost totally eliminate triplets after IVF is single embryo transfer...
  3. ncbi request reprint Single-embryo transfer versus multiple-embryo transfer
    Jan Gerris
    Centre for Reproductive Medicine, University Hospital Ghent, Ghent, Belgium
    Reprod Biomed Online 18:63-70. 2009
    ..Ultimately, eSET may provide a more cost-effective, potentially safer approach to patients undergoing assisted reproduction technology...
  4. ncbi request reprint Impact of a restriction in the number of embryos transferred on the multiple pregnancy rate
    Diane De Neubourg
    Department of Obstetrics Gynecology Fertility, Centre for Reproductive Medicine, Middelheim Hospital, Lindendreef 1, 2020 Antwerp, Belgium
    Eur J Obstet Gynecol Reprod Biol 124:212-5. 2006
    ..The impact on the incidence of multiple and twin pregnancy rate as well as on ongoing pregnancy rate in our centre is calculated...
  5. doi request reprint Effect of temporary nuclear arrest by phosphodiesterase 3-inhibitor on morphological and functional aspects of in vitro matured mouse oocytes
    Leen Vanhoutte
    Infertility Centre, Ghent University Hospital, Ghent, Belgium
    Mol Reprod Dev 75:1021-30. 2008
    ..These results provide evidence that induced nuclear arrest by PDE3-I is a safe and reliable method to improve oocyte quality after IVM...
  6. ncbi request reprint Should we adjust for gestational age when analysing birth weights? The use of z-scores revisited
    Ilse Delbaere
    Department of Obstetrics and Gynaecology, Ghent University, De Pintelaan 185, B 9000 Ghent, Belgium
    Hum Reprod 22:2080-3. 2007
    ..g. single-embryo transfer (SET) versus double-embryo transfer (DET)] to birth weight, may induce bias, regardless of whether the adjustment happens via stratification, regression or through the use of z-scores...
  7. ncbi request reprint Efficiency of assisted oocyte activation as a solution for failed intracytoplasmic sperm injection
    Björn Heindryckx
    Department for Reproductive Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium
    Reprod Biomed Online 17:662-8. 2008
    ..When MOAT reveals no activation deficiency in spermatozoa, AOA still allows for high fertilization and acceptable pregnancy rates. The obstetric and neonatal outcomes after AOA were normal as no malformations were observed...
  8. doi request reprint Developmental competence of parthenogenetic mouse and human embryos after chemical or electrical activation
    Karen Versieren
    Department of Reproductive Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium
    Reprod Biomed Online 21:769-75. 2010
    ..Combining activating agents had no further positive effect on developmental potential...
  9. doi request reprint Slow controlled-rate freezing of human in vitro matured oocytes: effects on maturation rate and kinetics and parthenogenetic activation
    Karen Versieren
    Department of Reproductive Medicine, Ghent University Hospital, Ghent, Belgium
    Fertil Steril 96:624-8. 2011
    ..To create a pool of frozen donated human oocytes and find the optimal stage for slow controlled-rate freezing of human in vitro matured oocytes...
  10. ncbi request reprint Effect of ionomycin on oocyte activation and embryo development in mouse
    Elke Heytens
    Centre for Reproductive Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium
    Reprod Biomed Online 17:764-71. 2008
    ....
  11. ncbi request reprint Single embryo transfer - state of the art
    Diane De Neubourg
    Centre for Reproductive Medicine, Middelheim Hospital, Lindendreef 1, B 2020 Antwerp, Belgium
    Reprod Biomed Online 7:615-22. 2003
    ..6%. The twin (multiple) pregnancy rate declined to 11.7%. Particular attention should be drawn to the augmenting effect of the pregnancy rate of frozen-thawed cycles. Health economic data available so far subscribe the plea for SET...
  12. ncbi request reprint Singleton pregnancies are as affected by ovarian hyperstimulation syndrome as twin pregnancies
    Diane De Neubourg
    Centre for Reproductive Medicine, Middelheim Hospital, Antwerp, Belgium
    Fertil Steril 82:1691-3. 2004
    ..The incidence of ovarian hyperstimulation syndrome (OHSS) did not decrease during the 5 years in which single-embryo transfer was introduced; OHSS is not more frequent in twin than in singleton pregnancies...
  13. doi request reprint Relation of androgen receptor sensitivity and mood to sexual desire in hormonal contraception users
    Els Elaut
    Department of Sexology and Gender Problems, Ghent University Hospital, De Pintelaan 185, Ghent, Belgium
    Contraception 85:470-9. 2012
    ....
  14. pmc Microflora of the penile skin-lined neovagina of transsexual women
    Steven Weyers
    Department of Obstetrics and Gynaecology, Ghent University Hospital, Ghent, Belgium
    BMC Microbiol 9:102. 2009
    ..Secondary objectives were to describe possible correlations of this microflora with multiple patients' characteristics, such as sexual orientation, the incidence of vaginal irritation and malodorous vaginal discharge...
  15. ncbi request reprint Birthweight of singletons after assisted reproduction is higher after single- than after double-embryo transfer
    Petra De Sutter
    Department of Obstetrics and Gynaecology, University Hospital Gent, Belgium
    Hum Reprod 21:2633-7. 2006
    ..Single-embryo transfer (SET) has proven efficient in reducing multiple pregnancy rates after assisted reproduction technologies (ART). This study compares outcome of singletons after SET and double-embryo transfer (DET)...
  16. doi request reprint Self-operated endovaginal telemonitoring (SOET): a step towards more patient-centred ART?
    Jan Gerris
    Centre for Reproductive Medicine, University Hospital Ghent, De Pintelaan 185 9000, Gent, Belgium
    Hum Reprod 25:562-8. 2010
    ....
  17. ncbi request reprint Nuclear and cytoplasmic maturation of in vitro matured human oocytes after temporary nuclear arrest by phosphodiesterase 3-inhibitor
    Leen Vanhoutte
    Infertility Centre, Ghent University Hospital, Ghent, Belgium
    Hum Reprod 22:1239-46. 2007
    ....
  18. doi request reprint Clinical and transvaginal sonographic evaluation of the prostate in transsexual women
    Steven Weyers
    Department of Gynaecology, University Hospital of Ghent, Ghent, Belgium
    Urology 74:191-6. 2009
    ..To assess feasibility and diagnostic performance of prostate examination through transvaginal palpation and transvaginal ultrasound in transsexual women (TSW)...
  19. 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...
  20. ncbi request reprint First-trimester bleeding and pregnancy outcome in singletons after assisted reproduction
    Petra De Sutter
    Infertility Centre, University Hospital Gent, Gent, Belgium
    Hum Reprod 21:1907-11. 2006
    ..It is unknown whether first-trimester bleeding, if not ending in a spontaneous abortion, negatively influences further pregnancy outcome in ART in singletons...
  21. doi request reprint Polar body mutation load analysis in a patient with A3243G tRNALeu(UUR) point mutation
    Mado Vandewoestyne
    Laboratory for Pharmaceutical Biotechnology, Faculty of Pharmaceutical Sciences, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium
    Mitochondrion 11:626-9. 2011
    ..Therefore, human polar body analysis can be used as diagnostic tool to prevent transmission of mitochondrial disorders...
  22. doi request reprint Follicle measurements using sonography-based automated volume count accurately predict the yield of mature oocytes in in vitro fertilization/intracytoplasmic sperm injection cycles
    Frank Vandekerckhove
    Centre for Reproductive Medicine, University Hospital Ghent, Belgium
    Gynecol Obstet Invest 76:107-12. 2013
    ..Conclusion: Sonography-based automated volume count measurements of follicle volume and reconstructed follicle diameter can be used to reliably predict the number of mature oocytes. © 2013 S. Karger AG, Basel. ..
  23. doi request reprint Long-term assessment of the physical, mental, and sexual health among transsexual women
    Steven Weyers
    Department of Gynaecology, University Hospital of Ghent, Ghent, Belgium
    J Sex Med 6:752-60. 2009
    ..Studies have shown good sexual satisfaction after transition. However, long-term follow-up data on physical, mental and sexual functioning are lacking...
  24. 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...
  25. ncbi request reprint Multinucleation in cleavage stage embryos
    Eric Van Royen
    Centre for Reproductive Medicine, Department of Obstetrics Gynaecology Fertility, Middelheim Hospital, Lindendreef 1, 2020 Antwerp, Belgium
    Hum Reprod 18:1062-9. 2003
    ....
  26. ncbi request reprint A health-economic decision-analytic model comparing double with single embryo transfer in IVF/ICSI
    Paul De Sutter
    Infertility Centre, University Hospital Gent, Middelheim Hospital, Antwerpen, Belgium
    Hum Reprod 17:2891-6. 2002
    ..Its cost-effectiveness compared with double embryo transfer (DET) is therefore unknown...
  27. ncbi request reprint A health-economic decision-analytic model comparing double with single embryo transfer in IVF/ICSI: a sensitivity analysis
    Paul De Sutter
    Hum Reprod 18:1361. 2003
  28. ncbi request reprint Infertility therapy-associated multiple pregnancies (births): an ongoing epidemic
    Eli Y Adashi
    University of Utah Health Sciences Center, Department of Obstetrics and Gynecology, Salt Lake City, Utah, USA
    Reprod Biomed Online 7:515-42. 2003
  29. 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...
  30. 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...
  31. ncbi request reprint Human granulosa cells after ovulation induction show caspase-independent cell death
    Diane De Neubourg
    Departments of Obstetrics, Gynecology, Fertility and Pathology, Middelheim Hospital, Antwerp, Belgium
    Gynecol Obstet Invest 56:106-12. 2003
    ..These data provide strong arguments for a caspase-independent cell death mechanism in human granulosa-lutein cells...