Hello, All! I have a client whose pediatrician is demanding that she stop breastfeeding her 21 month old while pregnant with her second baby. I think he's concerned that the composition won't be right for a newborn, with colostrum and so forth. Of course, I suggested that the burden of proof should be on him, because women have been tandem nursing forever, but this mom would like references to give to him. Does anyone have references available regarding the changes in composition of breastmilk when breastfeeding during pregnancy? Thanks so much for any help, please respond by private e-mail. April Tutino Birth & Postpartum Doula Seattle, Washington