The invention provides a system (100a) for tracking infant development, the system comprising: —a portable device (101) including a camera and a processing unit, and —a weighing scale (102), preferably comprising a wireless transceiver; wherein the weighing scale is configured to measure the weight of an infant and to transmit the measured weight information to the portable device; and wherein the portable device is configured to —capture (401) an image of the infant; —combine the received weight information and information derived from the image of the infant to obtain (404) infant development statistics; and —store (403) the image and the obtained infant development statistics in a storage; wherein the information derived from the image includes at least one of the height of the infant and the head circumference of the infant. The invention further provides a portable device, a weighing scale, and a computer readable medium.