How quickly do the cells divide?

Vet-Tech

I read online that on day 3, they ideally want the embryos to be between 6 & 8 cells.  If I have 4 that are only at 2 today, any chance they can divide that much by tomorrow?  Now I'm all worried that I'll only have 3 to work with & what if the PGD finds something terrible tomorrow?  I hate this!

Million$$Baby

On day two I had 2 and 3-cell embies, and by the next day for my transfer they were 8 and 7-cell. So, yes, it happens. Try not to worry!

Mittens924

A lot can happen in a day!! You still have a chance....good luck!~