Hello my baby birthday weight is 2.5kgs now he is 4 months 20 days now his weight 5.26kgs I’m giving him both breast milk and formula milk my milk supply is very low is it ideal weight suggest me something please

A. Consider these general guidelines for infant growth in the first year: From birth to age 6 months, a baby might grow 1/2 to 1 inch (about 1.5 to 2.5 centimeters) a month and gain 5 to 7 ounces (about 140 to 200 grams) a week. Expect your baby to double his or her birth weight by about age 5 months.