put her in dance, sign up for track, take piano lessons, take a coding class, take a creative writing class, etc. She can decide on medicine when she has finished her first year of college. She can decide on Ob/Gyn after she rotates through it 3rd year of medical school.

And when she has decided on Ob/Gyn, its your job to talk her out of it and to do something better, like derm or radiology.