Ongoing normal pregnancy after transfer of zona-free blastocysts: implications for embryo transfer in the human.
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Summary
The first report in the human of a normal ongoing pregnancy after the transfer of zona-free day 6 embryos is reported, which improves implantation rates in in-vitro fertilization programmes.
- Type
- article
- Published
- 1997-03-01
- Cited by
- 55
- References
- 14
- Access
- Open access
- OpenAlex
- https://openalex.org/W2007146453
- Semantic Scholar
- https://api.semanticscholar.org/CorpusID:12830823
Keywords
Zona pellucida, Embryo transfer, Andrology, Pregnancy, Human fertilization
References
- Partial zona dissection of the human oocyte: a nontraumatic method using micromanipulation to assist zona pellucida penetration.
- The role of the zona pellucida in the development of mouse eggs in vivo.
- Transfer to the mouse oviduct of eggs with and without the zona pellucida.
- Delaying transfer to the third day post-insemination, to select non-arrested embryos, increases development to the fetal heart stage.
- Implantation enhancement by selective assisted hatching using zona drilling of human embryos with poor prognosis.
- Four indications for embryo transfer at the blastocyst stage.
- A prospective, randomized study of embryo transfer results after 3 or 5 days of embryo culture in in vitro fertilization.
- Assisted hatching facilitates earlier implantation.
- Isolation and culture
Cited by
- Atlas of human embryology: from oocytes to preimplantation embryos. Preface.
- CLINICAL ASSISTED REPRODUCTION: Development of Blastocyst-Stage Embryos After Round Spermatid Injection in Patients with Complete Spermiogenesis Failure
- CLINICAL ASSISTED REPRODUCTION: Births After Transfer of Zona-Free Blastocysts in Oocyte Donation Cycles
- Comparison of Zona Manipulated and Zona Intact Blastocyst Transfers: A Prospective Randomized Trial
- A Study Failing to Determine Significant Benefits from Assisted Hatching: Patients Selected for Advanced Age, Zonal Thickness of Embryos, and Previous Failed Attempts
- Zona-free embryo culture: is it a viable option to improve pregnancy rates?
- Evaluation of the genotoxicity of clomiphene citrate.
- Transfer of spontaneously hatching or hatched blastocyst yields better pregnancy rates than expanded blastocyst transfer
- Assisted hatching using a 1.48-μm diode laser: Evaluation of zona opening and zona thinning techniques in human embryos
- Chemical removal of zona pellucida versus laser assisted hatching after repeated failures of assisted reproductive technology
- Efficacy of Laser Assisted Hatching using a 1.48-μm Diode Laser in Human Embryo
- Association between serum levels of organochlorine pesticides and sex hormones in adults living in a heavily contaminated area in Brazil.
- From Menarche to Regular Menstruation
- High implantation and pregnancy rates with transfer of human hatching day 6 blastocysts.
- Mouse Oocyte Maturation and Blastocyst Culture In Vitro in Medium Adjusted to Human Follicular Fluid Composition
- New method for culture of zona‐included or zona‐free embryos: The Well of the Well (WOW) system
- Evolution of a culture protocol for successful blastocyst development and pregnancy.
- The estrogenic component of tibolone reduces adiposity in female aromatase knockout mice
- Chemical zona pellucida thinning with acidified Tyrode’s solution: comparison between partial and circumferential techniques
- Improved implantation rate after chemical removal of the zona pellucida.
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