This is strongly associated with the use of «supplementary» formula feeding, which displaces breastmilk and inhibits breastmilk production, increasing the risk of early cessation of breast feeding 13 - 24 fold. (babymilkaction.org)
Many sociodemographic and psychosocial factors are associated with early cessation of breastfeeding (44, 45) and thus are potential targets for intervention. (academic.oup.com)
In contrast, Rutishauser and Carlin found that overweight / obese women were less likely to give «poor milk supply» as the reason for early cessation of breastfeeding than women of normal weight (p < 0.05)[11]. (bmcpregnancychildbirth.biomedcentral.com)