Obese at 8 months: the baby that already tips the scales at over 3 stone. An eight-month-old baby boy in Jilin , Northeast China has tipped the scales at over three stone. Weighing 18.8 kg (41 pounds) and measuring 78 centimeters in height, he was born with a normal birth weight of 3.3 kg (7 pounds 4 oz). However, he starting putting on extra weight when he was one month old, according to his parents. His mother nurses him more than 20 times a day because he often feels hungry. Because of his obesity, he is unable to crawl or stand.