Hi guys, can anyone recommend a manga or manhwa about teenagers/high schoolers been pregna...

http://www.mangago.zone/read-manga/nan_eomma_nun_appa/ it is a manhawa but but is exactly what you are looking for

http://www.mangago.zone/read-manga/akkan_baby/
I really like this one.

I've read that and I love it, that's why I was asking if there's a similar one

I've read several manga/manhwa including teen pregnancy/having a baby

Have some chapter (completed) :
http://www.mangago.zone/read-manga/black_bird/
http://www.mangago.zone/read-manga/akkan_baby/
http://www.mangago.zone/read-manga/ichigo_no_gakkou/
http://www.mangago.zone/read-manga/kami_sama_no_orgel/
http://www.mangago.zone/read-manga/hanayomesama_wa_16_sai/

ongoing :
http://www.mangago.zone/read-manga/nan_eomma_nun_appa/
http://www.mangago.zone/read-manga/yunohana_tsubame/

one shot :
http://www.mangago.zone/read-manga/17_sai_no_mama/

Thanks. You're a star