Table 3. Fertilization and embryo quality outcomes.
Grade COC Oocyte maturity (%) Fertilization rate (%) Embryo day 3 (%) Class A embryos (%)
LR Grade I
(n=19)
13/19
(68.4)
13/13
(100)
13/13
(100)
6/13
(46.1)
Grade II
(n=27)
24/27
(88.9)
22/24
(91.7)
21/22
(95.5)
15/21
(71.4)
NR Grade I
(n=17)
15/17
(88.2)
13/15
(76.5)
11/13
(84.6)
9/11
(81.8)
Grade II
(n=55)
46/55
(83.6)
42/46
(76.4)
38/42
(90.5)
21/38
(55.3)

LR: Lower responder; NR: Normal responder; COCs: cumulus-oocyte complexes.