*Less favorable prognosis, day 3:
a.Two or more previous failed fresh IVF cycles
OR
b. Poor embryo quality (No "good" embryo OR no ≥ 8 cell graded as "fair") on a second cycle.
**More favorable prognosis, day 5:
a.Previous successful cycle
OR
b.First/second cycle with high quality day 5 embryos (Hatching Blastocyst, grade 2 or better, OR Blastocyst grade 1).
***More favorable prognosis, day 3:
a.Previous successful cycle
OR
b.First/second cycle with two "good" embryos.
Guidelines dates 1/1/2010