Thanks Ros, for the explanation of Peter Hartmann's work. From your description is sounds like he *isn't* saying there is no such thing as fore/hind milk, quite the opposite -- that there certainly is such a difference, but that time on the breast required to get to the 'hindmilk' varies with the capacity of the breast. Certainly not only breast capacity and frequency/duration of feeding, but also baby's intrinsic hunger and style of feeding affect how long it takes to get the breast drained sufficiently to get the fat-rich hind milk. The rest of your explanation (that baby's manage to adjust their intake to meet their needs) is exactly in line with what Michael Woolridge and colleagues have been publishing for many years. The trick is to get people to encourage baby-controlled breastfeeding, so that the child has the opportunity to do this. ---------------------------------------------------------------------------- ------- Katherine A. Dettwyler email: [log in to unmask] Anthropology Department phone: (409) 845-5256 Texas A&M University fax: (409) 845-4070 College Station, TX 77843-4352