It will shrink when you wash and dry it
That is true. Women are generally smaller in body size, this also contributes to how affected women get by alcohol.
Afebrile means not marked by or having a fever
To get a better look at the fetus- They can do a more in depth examination and see if the child has any malformations or if sex wasn't determined before the sex of the fetus.
If they are left laying on their back, they have a possibility of suffocating on internal items like a tongue or vomit/fluids coming up.