Responses

Not BL but One Night Only has a male omega and shows his pregnancy.
Minmotion Syndrome also shows the pregnancy arc (or at least the baby bump lmao). It starts off a bit... Questionable, with the omega blackmailing the alpha, so idk if you'd like that (if I recall correctly it's not nearly as noncon as low tide, just depends on your limits) (but also fair warning the omega gets assaulted by his ex)
Are there any omegaverse stories that shows pregnancy arc? Istg, most of them get pregnant and the next thing we knew the baby is out