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Titolo:
COCULTURED BLASTOCYST CRYOPRESERVATION - EXPERIENCE OF MORE THAN 500 TRANSFER CYCLES
Autore:
KAUFMANN RA; MENEZO Y; HAZOUT A; NICOLLET B; DUMONT M; SERVY EJ;
Indirizzi:
AUGUSTA REPROD BIOL ASSOCIATES,812 CHAFEE AVE AUGUSTA GA 30904 INST RHONALPIN FDN LYON FRANCE CLIN PIERRE CHEREST PARIS FRANCE
Titolo Testata:
Fertility and sterility
fascicolo: 6, volume: 64, anno: 1995,
pagine: 1125 - 1129
SICI:
0015-0282(1995)64:6<1125:CBC-EO>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
INVITRO FERTILIZATION; CLEAVING EMBRYOS; THAWED EMBRYOS; VERO CELLS; IMPLANTATION; CULTURE; PREGNANCIES; ENDOMETRIUM; SURVIVAL;
Keywords:
CRYOPRESERVATION; COCULTURE; BLASTOCYST; FREEZING; THAWING;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
24
Recensione:
Indirizzi per estratti:
Citazione:
R.A. Kaufmann et al., "COCULTURED BLASTOCYST CRYOPRESERVATION - EXPERIENCE OF MORE THAN 500 TRANSFER CYCLES", Fertility and sterility, 64(6), 1995, pp. 1125-1129

Abstract

Objective: To present our experience using cocultured cryopreserved and transferred blastocysts. Design: Retrospective study of patients undergoing transfer of cryopreserved blastocysts. Setting: Three different IVF centers. Patients: Four hundred sixty-seven thawed cycles from January 1991 to June 1994. Main Outcome Measure: Pregnancy rate per cycle after transfer of pre-embryos developed from thawed blastocysts. Results: One thousand two hundred thirty-nine blastocysts were thawed. Of these, 1,033 (83%) survived thawing and were transferred. Five hundred sixty-three thawed cycles resulted in 516 (92%) receiving intrauterine transfer. One hundred twelve clinical pregnancies were established, resulting in a 21.7% pregnancy per transfer with a 19% ongoing rate. The implantation rate of 13.4% results from 138 implanted pre-embryos. There was a higher PR in the programmed cycle (79/302; 26.2%) compared with the natural cycle (6/47; 13%). Conclusions: Freezing at the blastocyst stage is a proven and reliable method in IVF technology. Although there may be fewer pre-embryos, their ability to implant appearsto approach the potential of a fresh transfer.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/11/20 alle ore 06:46:38