Category Cycles Analysed Average MII Oocytes Blastulation rate Average Euploid Blastocysts
<35 18 13.28 4.5 1.89
35-37 33 9.42 3.27 1.15
38-40 55 8.15 3.09 0.53
>40 44 8.18 2.27 0.29
Egg donor cycle 40 12.9 5.43 2.7