Research Topics
| Jan GerrisSummaryAffiliation: Ghent University Country: Belgium Publications
| Collaborators
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Detail Information
Publications
Elective single day 3 embryo transfer halves the twinning rate without decrease in the ongoing pregnancy rate of an IVF/ICSI programmeJan 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...- The near elimination of triplets in IVFJan 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... - Single-embryo transfer versus multiple-embryo transferJan 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... - Impact of a restriction in the number of embryos transferred on the multiple pregnancy rateDiane 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... 
Effect of temporary nuclear arrest by phosphodiesterase 3-inhibitor on morphological and functional aspects of in vitro matured mouse oocytesLeen 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...- Should we adjust for gestational age when analysing birth weights? The use of z-scores revisitedIlse 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... - Slow controlled-rate freezing of human in vitro matured oocytes: effects on maturation rate and kinetics and parthenogenetic activationKaren 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... - Developmental competence of parthenogenetic mouse and human embryos after chemical or electrical activationKaren 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... - Effect of ionomycin on oocyte activation and embryo development in mouseElke Heytens
Centre for Reproductive Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium
Reprod Biomed Online 17:764-71. 2008.... - Efficiency of assisted oocyte activation as a solution for failed intracytoplasmic sperm injectionBjörn 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... - Singleton pregnancies are as affected by ovarian hyperstimulation syndrome as twin pregnanciesDiane 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... - Single embryo transfer - state of the artDiane 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... - Relation of androgen receptor sensitivity and mood to sexual desire in hormonal contraception usersEls Elaut
Department of Sexology and Gender Problems, Ghent University Hospital, De Pintelaan 185, Ghent, Belgium
Contraception 85:470-9. 2012.... 
Microflora of the penile skin-lined neovagina of transsexual womenSteven 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...- Birthweight of singletons after assisted reproduction is higher after single- than after double-embryo transferPetra 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)... - 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.... - Nuclear and cytoplasmic maturation of in vitro matured human oocytes after temporary nuclear arrest by phosphodiesterase 3-inhibitorLeen Vanhoutte
Infertility Centre, Ghent University Hospital, Ghent, Belgium
Hum Reprod 22:1239-46. 2007.... - Clinical and transvaginal sonographic evaluation of the prostate in transsexual womenSteven 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)... - A multi-center prospective, randomized, double-blind trial studying the effect of misoprostol on the outcome of intrauterine inseminationKelly 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... - First-trimester bleeding and pregnancy outcome in singletons after assisted reproductionPetra 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... - Polar body mutation load analysis in a patient with A3243G tRNALeu(UUR) point mutationMado 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... - Long-term assessment of the physical, mental, and sexual health among transsexual womenSteven 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... - Perinatal outcome of ICSI pregnancies compared with a matched group of natural conception pregnancies in Flanders (Belgium): a cohort studyWillem 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... - Multinucleation in cleavage stage embryosEric Van Royen
Centre for Reproductive Medicine, Department of Obstetrics Gynaecology Fertility, Middelheim Hospital, Lindendreef 1, 2020 Antwerp, Belgium
Hum Reprod 18:1062-9. 2003.... - A health-economic decision-analytic model comparing double with single embryo transfer in IVF/ICSIPaul 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... - A health-economic decision-analytic model comparing double with single embryo transfer in IVF/ICSI: a sensitivity analysisPaul De Sutter
Hum Reprod 18:1361. 2003 - Infertility therapy-associated multiple pregnancies (births): an ongoing epidemicEli 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 - Obstetric and perinatal outcome of 1655 ICSI and 3974 IVF singleton and 1102 ICSI and 2901 IVF twin births: a comparative analysisWillem 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... - Perinatal outcome of 12,021 singleton and 3108 twin births after non-IVF-assisted reproduction: a cohort studyWillem 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... - Human granulosa cells after ovulation induction show caspase-independent cell deathDiane 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...