题目

please help me check my languange and correct it.thank you!
after many round of discussion, we finally come to a decision to make a social awareness advertisement about non smoking issues during the pregnancy.we come out with this idea when i accidentally see a cigaratte advertisement on a magazine .at the bottom there have a such warning:expectant mother smoking during prenancy will make the baby birth weight smaller and being born premature.suddenly,i have a thought that to use this concept to do my advertisement to alert our expectant.
not translate it but help me to check my english whether it is correct.

提问时间：2020-10-07

答案

After many rounds discussion,finally,we decite to make a social awareness advertisement on non smoking issues during the pregnancy.we get the idea from a cigaratte advertisement on a magazine.there is...