The statement that is less likely to indicate embryonic demise is identified and explained.
The statement that does not indicate probable embryonic demise is: c. No cardiac activity with a less than 5-mm embryo and a double bleb sign.
This statement suggests a lack of cardiac activity but with the presence of a double bleb sign, indicating a specific developmental stage that may not necessarily lead to embryonic demise.
In contrast, the other options either mention the absence of critical embryonic features or abnormal developments that are more indicative of potential embryonic demise.
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