Yaoi manga where uke has a child and the father is the seme?

http://www.mangago.zone/home/mangalist/712/

Try this list? :3

or are you looking for mpreg?

http://www.mangago.zone/read-manga/jappa_no_amane/
http://www.mangago.zone/read-manga/mauri_to_ryuu/ chapter 1
http://www.mangago.zone/read-manga/sex_pistols/
http://www.mangago.zone/read-manga/kudan_no_kuroneko/ last story
http://www.mangago.zone/read-manga/our_previous_existence_this_world_you_and_me/ chapter 6
http://www.mangago.zone/read-manga/yokubou_shounen/ chapter 3
http://www.mangago.zone/read-manga/durarara_dj_mimimi/
http://www.mangago.zone/read-manga/bleach_dj_family_combo/