I've always wondered...is it possible that my breast milk doesn't contain much fat that my babies never get chunky?.ibe…

I've always wondered...is it possible that my breast milk doesn't contain much fat that my babies never get chunky?.ibe seen other breastfed babies b so chunky. I be breasted al my kids n they were always on the small side.i was jus wondering. 🤔🤔😊