How to make sure that the samples are not mixed up?
• The wife before entering the operating room wears a band with her and her husbands full name and date of birth which is checked by both the anesthetist and the head nurse. • Both (eggs and sperms) do have the full name and date of birth of husband and wife + patient ID number + color code. • Before the embryologists do inject the sperm or mix it with the eggs, a second embryologists along with the lab technician, both of them do sign as a witness on the lab sheet confirming the right match.
