Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Ebner, T; Moser, M; Yaman, C; Feichtinger, O; Hartl, J; Tews, G.
Elective transfer of embryos selected on the basis of first polar body morphology is associated with increased rates of implantation and pregnancy.
Fertil Steril. 1999; 72(4):599-603
Doi: 10.1016/S0015-0282(99)00315-5
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- Führende Autor*innen der Med Uni Graz
- Ebner Thomas
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- Abstract:
- Objective: To determine the relationship between first polar body morphology and implantation rate and pregnancy rate (PR), to facilitate decision making concerning elective ET. Design: Prospective, randomized study. Setting: Fertility center. Patient(s): One hundred fifty-eight consecutive patients (173 intracytoplasmic sperm injection cycles) resulting in embryo transfers. Intervention(s): In our study group, priority in ET was given to embryos derived from well-shaped first polar bodies, whereas selection of embryos for transfer in the control group was based exclusively on the degree of embryo fragmentation. Main Outcome Measure(s): Total numbers of implantations and pregnancies, PR and implantation rate, and rates of multiple pregnancy and miscarriage. Result(s): In the study cohort, 212 embryos were transferred. In the control group, 313 embryos were transferred. The implantation rate and PR were significantly lower in the control group than in the study cohort. In addition, the rate of multiple pregnancy was significantly higher in the study group. Conclusion(s): Elective transfer of embryos selected on the basis of first polar body morphology results in higher implantation and pregnancy rates. Multiple pregnancy can be avoided by transferring a reduced number of embryos selected on the basis of first polar body morphology. (Fertil Steril(R) 1999,72:599-603. (C) 1999 by American Society for Reproductive Medicine.).
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Cohort Studies -
- Embryo Implantation -
- Embryo Transfer -
- Embryo, Mammalian - anatomy and histology
- Female -
- Humans -
- Male -
- Pregnancy -
- Pregnancy Rate -
- Pregnancy, Multiple -
- Prospective Studies -
- Sperm Injections, Intracytoplasmic -
- Find related publications in this database (Keywords)
- first polar body
- elective embryo transfer
- implantation rate
- multiple pregnancy rate