Law / I need to stay here in Poland to see my child. [18]

hello,
Im married with a polish women she is pregnant from me,we get a littel problem and she want divorce, i have a karta pobyto for 1 years will finnish after 1 month i cant get a new coz i not with her i need to stay here in poland to see my child , or get a card i go my contry and i go back here when he born to see him , please help me what i have to do whats solution ..do i can get some help from you :) thx very much Pozdrawiem