Prognosis for clinical pregnancy and birth after transferring embryos derived from a cohort of incompletely mature oocytes at retrieval time

SUMMARY The purpose of this retrospective study was to establish a prognosis for implantation, pregnancy and live birth rates in stimulated IVF cycles after transferring embryos derived from: 1/retrieved immature oocytes that matured overnight in vitro (late mature group: LM); 2/retrieved immature o...

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Bibliographic Details
Published in:Reproductive biology 2012-07, Vol.12 (2), p.219-229
Main Authors: Wiesak, Teresa, Grazul-Bilska, Anna T, Wikarczuk, Maria, Schinfeld, Jay S, Barmat, Larry I, Lee, Annette, Somkuti, Stephen G
Format: Article
Language:English
Subjects:
birth
immature oocytes
implantation
next day ICSI
Obstetrics and Gynecology
pregnancy
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Summary:SUMMARY The purpose of this retrospective study was to establish a prognosis for implantation, pregnancy and live birth rates in stimulated IVF cycles after transferring embryos derived from: 1/retrieved immature oocytes that matured overnight in vitro (late mature group: LM); 2/retrieved immature oocytes that matured overnight in vitro and were added to the embryos derived from retrieved mature oocytes (mixed embryos group: MX); and 3/retrieved mature oocytes (mature group: M). The obtained implantation, clinical pregnancy and live birth rates for the LM group were: 5.6%, 11.4%, 11.4%; for the MX group were: 4.2%, 14.6%, 11.6%; and for the M group were: 14.6%, 45.2% and 33.3%, respectively. These measurements were significantly lower p
ISSN:1642-431X
DOI:10.1016/S1642-431X(12)60087-4