I don't think this can honestly be a consideration in their deliberations as MT imo knowingly committed a crime/s as a single mother of a young daughter.
This was her choice.
We saw Elizabeth Holmes pregnant during her trial. This was clearly her choice but even if it was designed to impact her treatment by the Courts, the Courts must look at the crimes and not the circumstances. I do believe that the sentencing process might have provisions possibly for circumstance and visitation accommodations but this is above my pay grade.
Here is an article about the 2 Holmes infants that she had in advance of heading off to prison for a long stay.
Elizabeth Holmes has one son, William, and one daughter, Invicta, with partner Billy Evans. Here's everything to know about Elizabeth Holmes' kids.
people.com