[anibus3]

"I should probably go in for a ultrasound though...that'll be a hassle due to being a actor." Sherlock mused out loud. "And really I don't want my parents learning just yet, so I'll have to make up some sort of disguise. Though we can tell you parents, it's okay to let them know since they actually want to have grandkids."

Now that wasn't true with his parents, Sherlock's parents wanted grandchildren. They just wanted them the more traditional way and the lady being a famous person too.