Table 2. Effect of coasting duration on blastocyst formation rate & clinical outcome
  Coasting Duration
  1-2 days n=69 3-4 days n=62 5-6 days n=35 p value
Blastocyst formation rate 44.23% 288/651 46.94% 246/524 46.42% 130/280 NS
Implantation rate 37.86% 39/103 50.56% 45/89 44.64 25/56 NS
Clinical Pregnancy rate 46.37% 32/69 59.67% 37/62 60% 21/35 NS
Live birth rate 39.13% 27/69 51.61% 32/62 45.71% 16/35 NS
NS=not significant