| Type | MGI:General | Description | 72% of blastocysts cultured for 5 to 7 days exhibit overgrowth of the inner cell mass and giant trophoblasts compared with wild-type blastocysts blastocysts do not survive 8 days as do wild-type blastocysts of 2 recovered blastocysts, one hatched then displayed abrupt disintegration and fragmentation of the cell mass after attaching and outgrowing for one day while the other failed to attach |
