<prompt> Not true about breast milk is ?Maximum output is seen at 12 monthBreast milk protein is a reference proteinCalcium utilization from breast milk is more than cows milkCoefficient of absorption of iron is 70  <response>: Maximum output of milk is seen in 5-6month which is about 730ml.REF. PARKS TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 489 