A 7 month old baby girl’s height is usually 66cm-70.8cm and her weight is usually 7.29kg-9.13kg. Your baby’s height and weight will be affected by genetic factors, geographic location, as well as her nutrition and sleep, etc. A 7-month-old baby girl’s height is usually 66cm-70.8cm and her weight is 7.29kg-9.13kg, and this varies from person to person, but as long as your baby’s height and weight are within the standard range, they are considered to be normal. It is recommended to add supplemental food for babies to ensure the nutritional needs of the body, you can add some rice flour, fruit puree, vegetable juice, etc., and also need to supplement calcium in time to promote the development of baby’s bones. If the height and weight are abnormal, it is recommended to consult a doctor in time, with the help of the doctor to clarify the cause of the disease, and to carry out targeted treatment or therapy.