Case report: Two successful pregnancies following the transfer of re-vitrified human day 7 blastocysts developed from vitrified cleaved embryos.
- Resource Type
- Article
- Authors
- Hiraoka, Kenichiro; Fujimoto, Yumi; Tateaki, Yuko; Hiraoka, Kaori; Horiuchi, Toshitaka; Okano, Shinichiro; Kinutani, Masayuki; Kinutani, Kazuo
- Source
- Journal of Assisted Reproduction & Genetics. Sep/Oct2008, Vol. 25 Issue 9/10, p503-509. 7p. 1 Black and White Photograph, 1 Chart.
- Subject
- *BLASTOCYST
*PREGNANCY
*EMBRYOS
*WOMEN'S health
*CRYOBIOLOGY
*ELECTRON microscopes
- Language
- ISSN
- 1058-0468
Purpose To report successful pregnancies after the transfer of re-vitrified human day 7 blastocysts developed from vitrified cleaved embryos. Methods and results A total of five day 7 blastocysts developed from vitrified cleaved embryos were re-vitrified and re-warmed. All of five re-vitrified day 7 blastocysts (100%) survived after warming and were transferred to three patients. Two of the women became clinically pregnant. Of these women, one woman delivered a healthy baby and the other pregnancy is ongoing at 26 weeks of gestation. Conclusions This is the first report of successful pregnancies after the transfer of re-vitrified human day 7 blastocysts developed from vitrified cleaved embryos. [ABSTRACT FROM AUTHOR]