Here
https://www.mangago.zone/read-manga/dear_benjamin/#:~:text=Dear%20Benjamin%20(Yaoi)
https://www.mangago.zone/read-manga/it_s_my_baby/#:~:text=It%27s%20My%20Baby!%20(Yaoi)
https://www.mangago.zone/read-manga/percentage_of_love/#:~:text=Love%20Percentage%20(Yaoi)
https://www.mangago.zone/read-manga/the_villain_who_became_pregnant_with_the_alpha_s_child/
https://www.mangago.zone/read-manga/deliverance_of_the_counterattack/
https://www.mangago.zone/read-manga/arima_wants_to_be_an_omega/
here's a few I got from my list:
https://www.mangago.zone/read-manga/marriage_of_a_doting_alpha_and_stray_omega/
https://www.mangago.zone/read-manga/flower_1/
Runaway pregnant ukes (not omegaverse):
https://www.mangago.zone/read-manga/midnight_dweller/ (Ch 71)
https://www.mangago.zone/read-manga/the_pain_of_parting_with_my_beloved/
https://www.mangago.zone/read-manga/fever_1/
https://www.mangago.zone/read-manga/headache/
May I recommend my list so you can freely browse which mpreg titles would interest you (but not all are omegaverse):
https://www.mangago.zone/home/mangalist/2755401/?filter=&page=1
Bl with preg omega and they run away … like love is an illusion or the swimming one . I need to see YEARNING and GROVELING!