Journal article

Extended embryo culture in human assisted reproduction treatments

MT Langley, DM Marek, DK Gardner, KM Doody, KJ Doody

HUMAN REPRODUCTION | OXFORD UNIV PRESS | Published : 2001

Abstract

In order to evaluate the niche of extended embryo culture in an IVF programme, retrospective analysis of non-selected IVF patients, who underwent ovarian stimulation from April 1998 to June 1999 in a single private practice assisted reproductive technology centre, was performed. Embryos were cultured for 48 h in S1/G1.2 medium followed by 48 to 72 h of culture in S2/G2.2 to day 5 or day 6. Only fertilized oocytes exhibiting two pronuclei from donor and non-donor IVF and intracytoplasmic sperm injection (ICSI) cases were examined to determine the relationship between embryo cell number on day 3 and subsequent rate of blastocyst formation. Results indicated that a proportional relationship exi..

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University of Melbourne Researchers