Based on personal and anecdotal experience, I would be very confident in my assumption. There are plenty of things that hormones only change very gradually (bod

Based on personal and anecdotal experience, I would be very confident in my assumption. There are plenty of things that hormones only change very gradually (body hair takes years), or which they can't "undo" (bones are pretty static after age 20-25), but body scent is one of the first and strongest changes when starting cross-sex hormones.