Exclusive breast feeding may be associated with all of the following except –

Breast feeding protects against evening colic. Evening colic may be seen as a manifestation of allergy to cow's milk, but not with breast milk. Haemorrhage due to vit K deficiency may be seen. Breast milk contains very little Vit K - Dutta 4th/e p. 515 Hypoprothrombinemia, may therefore occur along with defeciency of other vit K dependent coagulation factors. (VII, IX, X). This predisposes to haemorrhagic disease in new horns. There is strong association between exclusive breast feeding and neonatal jaundice. It is presumed to be due to inhibitory substance in the breast milk, that intefere with bilirubin conjugation e.g. pregananediol and free fatty acids. Golden colour stool may be seen.