As a former medical student who is also the eldest child, I changed my study field cause I had the option to. I changed it much earlier than you did and I know your worries, but you came so far along. You only have a bit left. Finish what you started and then you can decide what to do. Demo beza lay once you start your internship tnshm bihon yekefelshal aydel. Eskeza man yawkal yeteshale hasabm limetalsh yechlal.