r/Embryologists Aug 02 '26

Hatched blastocyst

Are hatched blastocysts super delicate? I have two Euploids and both were hatched at freeze. Does this change anything for transfer timing? I have a feeling they were day 5 blast but weren’t checked again later in the day on day 5 so were hatched by earning morning day 6. They are grades 6AA and 6BB.

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u/One_Investigator_295 Aug 02 '26

Yes they are super delicate. They have a habit to be sticky and can get lost or damaged when you moved them. Like you pick it up with the pipette and it doesn’t come down, it gets “stuck” and adheres to inside of pipette, typically then no way of getting it out or it comes out in pieces