Quick update:
I was very worried about my T appointment today, but apparently I was worried for nothing. My T was awesome, as usual. No look of disappointment or disapproval on her face, like I had been expecting, even after I showed her my stomach. Ran into MC, too, and talked to him for a few minutes. He apologized for not getting back to me yesterday. He knew what had happened (T and p-doc filled him in), but he just acted normally toward me, even making a joke with the receptionist at my expense (in other words, acting normally toward me). He also had no look of disappointment. Unfortunately, he's booked for the next 2 days but will call me if he has a cancellation. He said if I end up telling H before Monday (our regular appointment) and have any concerns that I can give him a call. And I got the usual post-session handshake from MC, even though we only talked for a couple minutes.

So I feel a bit better now, though still dreading telling my H about it...