Izvješće o mpo postupcima za 2012. godinu-Australija i Novi Zeland:
http://issuu.com/unsw_p3design/docs/...05792/10107664
"Overall, the rates of clinical pregnancy and live delivery were higher in blastocyst transfer
cycles than in cleavage stage embryo transfer cycles regardless of a woman’s age (Table
12). The live delivery rate for blastocyst transfer cycles was 11.1 percentage points higher
than for cleavage stage embryo transfer cycles."
Analizirano je ukupno 14 348 transfera dvodnevnih i todnevnih embrija i 16 708 transfera blastocista u svim dobnim skupinama žena.
Transferi blastocista davali su 11,1% veću šansu za živrođeno dijete od transfera dvo i trodnevnih embrija.