Need support.

My son is a week away from being a month old. Due to him having jaundice after birth he was introduced to bottle feeding. We were already having a few issues because my nipples are small and it was hard for him to latch on. Now I'm producing less milk and he's not getting full which leads to him having formula in a bottle. I've tried the nipple shield and it has helped but I guess him not having that full contact makes me produce less. I'm thinking of just breastfeeding till he is one month old. I feel sad, frustrated and tired. Ice really tried but different factors have ruined my dreams of breastfeeding for his first year of life. Just wanted to vent...