Harry recalled with a pang when he’d first learned wizards could carry children with the right spells. He’d expressed surprise and Ron had looked at him with amused curiosity, the way he often did when Harry said something muggle-ish. "Mate, in second year we learned how to turn a rat into a cup. We also literally transformed into Crabbe and Goyle with one single potion. You’ve seen McGonagall turn into a cat. Do you really think it’s too hard for wixen to temporarily transfigure someone’s bits into the other kind of bits?"