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.
