Treatment

Total number of COCs

Number of recovered oocytes (%)

Number of morphologically viable oocytes (%)

Number of viable oocytes by trypan blue (%)

VS1

194

136 (70.1)

111 (81.6)

19/30 (63.3)^a

VS2

193

138 (71.5)

120 (86.9)

24/30 (80.0)^b