What shud i do about my bfs parents :?

im gonna b a teen mum in a few months, still in a relationship with the babys dad, he works and will b doin collage part time at the end of the year, i have a part time job, our familys have arranged for me 2 continue living at home, and for him to remain at his, money isnt rly the problem, its tht his parents are like worried there nt gonna b involved in the babys life, and tbh his parents wernt the best rolemodels, and expect me and my bf to live together with them :s i dnt wnt 2 hurt there feelings, bt the baby isnt born yet..... what shud i tell my bf :s