I just assumed since they did it so many times already or two, to be exact, that he's ALREADY pregnant and just…
Maybe in the next episode they will confirm it, since according to the novel, Huayong tries to find a condom but the pocket is empty. He tells Sheng that he will go get one, but Shao You is in a hurry, so they end up doing it without one ๐.
https://x.com/0rangeFair/status/1969616239288062220