Bill, a 30-year old US citizen, is engaged to be married to

Sophia, a 19-year-old French national. Sophia is four weeks

pregnant with Bill's child. Sophia's has a B1/B2 visa. Sophia entered the U.S. with a B1/B2 visa on January 1, 2023. Sophia overstayed her visa. Sophiawants to apply to the University of Utah to a master's degree. Bill is worried that they will not have money to support themselves while Sophia is expecting her baby. Sophia is currently working at Sephora without proper documentation.

Can Sophia apply for a change of status from B1/B2? What are her best options to stay in the U.S. permanently?