The height and weight standard for one year and three months old is 74.4~84cm and 8.4~12.7kg for boys; 72.4~82.7cm and 7.7~12.2kg for girls.
Factors affecting a child’s height and weight development mainly include the following aspects, such as genetic factors, environmental factors, nutritional factors, exercise factors, sleep factors and disease factors.
Generally speaking, the height and weight standard for one year and three months old is 74.4~84cm and 8.4~12.7kg for boys, and 72.4~82.7cm and 7.7~12.2kg for girls, depending on the individual situation, the height and weight may vary greatly.
If your height and weight are abnormal at the age of one year and three months, it is recommended that you consult a doctor to determine the cause of the problem and to provide targeted treatment or therapy.