Round 1: 8 or 9 (I forget) collected, maybe 5 fertilised, 3 got to day 5, 1 didn't thaw = 2 transfers

Round 2: 6 collected, 5 fertilised, 4 got to day 5, 1 didn't thaw = 3 transfers

Round 3: 7 collected, 7 fertilised, 7 still going (day 3)