Everybody going "WTF? SHE CAN'T BE PREGNANT BY AN OMEGA!!!" while forgetting that, yes, he is an Omega, he's still a guy, and in a great many versions of the Omegaverse, even Omegas, when male, can get someone pregnant. Just like how female Alphas can get pregnant! H*l, I have a fuzzy memory from a very long time ago of a FA/MO pairing where both of them got pregnant, by each other.
Ask me about my 70+ lists, including Omegaverse, Esperverse, Dynamicverse, and Cuteness Overload!