07-2013 Case of the Month

Jul2013Case-img

What would you do in this this case?

Your IVF center has decided to go to blastocyst culture whenever possible and the laboratory has become much busier in the last several days. You notice that you have more embryos in the incubator now for a longer period of time and have to open the incubators more frequently now that you are trying to go to Day 5. You notice that the rate of embryonic development and particularly the rate of blastocyst development is beginning to decline. This is noticeable in all patient age groups as well as with the donor oocyte cases. 

What is the most likely reason?  

A.The media has gone bad.

B.The pH and temperature values in your incubators are probably fluctuating too much due to increased opening(s) of the incubators.

C.The water pans need to be changed more often.

D.The drops you are using for embryo culture are too big.

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Answer A is incorrect. 

Answer B is CORRECT: The pH and temperature values in your incubators are probably fluctuating too much due to increased opening(s) of the incubators. 

Answer C is incorrect 

Answer D is incorrect:  

Learn more about this topic while earning CME at ASRM eLearn®.  

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