hey guys i need some advice. so my baby boy is 6 months old on monday and hes been breastfeeding…

hey guys i need some advice. so my baby boy is 6 months old on monday and hes been breastfeeding since birth and ive already introduced him to solids. I am also 14 weeks pregnant. i have been struggling with pumping and going to work and veing worried that he doesn't have enough milk. should i introduce formula? i really dont want to but im so exhausted. idk what to do.