"Oh," Galen replies, brow shooting up. Now that she's said so, it makes sense, but knowing very little, all things considered, about where Demelza come from, it hadn't occurred to him that they might not have had birth control there. For him, it's only ever been a simple fact of life. In spite of all the talk about people needing to have babies, preventing that had been all but a necessity among some of the crew. They couldn't have all their pilots getting knocked up, not when there was every chance they might not make it back. "So I guess you didn't have anything like that before?"