The baby's weight of 4 months generally has doubled from her weight at birth.Monitoring your baby's weight gain is very important to help determine if your baby grows and develops well.
By the age of 4 months , babies experience improvement both in terms of body size, physical ability, and sensitivity to the surrounding environment. At this age, babies begin to show expression, such as smiling, laughing, trying to talk, and start putting hands and feet or other objects into the mouth.
Baby Weight 4 Months Normal And Development

Ideal Size Baby Weight 4 Months

At the age of 4 months, the baby will experience a weight surge reaches 0.5 kilograms of body weight at the age of 3 months . Although the 4-month-old baby's weight increase is generally the same, but the baby boy generally has a larger body weight and length than the baby girl.
The baby weighs 4 months with male gender, averaging between 5.6-8.6 kilograms and has a length of between 60 to 67.8 centimeters (cm). Meanwhile, the baby weight of 4 months with female gender, generally between 5.1-8.1 kilogram and length 58 to 66.2 cm.
However, not all four-month-old baby weight is the same because there are many factors that affect it. For example, babies are born prematurely who usually have less weight and length than normal-born babies.
The baby's weight gain is also influenced by several factors such as:
  • Quality and quantity of food consumed.
  • The hormonal function that controls growth.
  • Health condition as a whole.
  • Genes derived from parents.

Baby Development 4 Months

Infants aged 4 months have started trying to recognize the surrounding environment with eyes, mouth, ears, or by way of touching them. He will put his finger into his mouth to feel an object, he also begins to see a distant object, not just objects that are close to him.
In addition, babies start to notice when you talk and try to imitate. At this time, try to always invite him to interact.
To support your baby's growth, here are the things you can do.
  • Entertain your baby by reading a fairy tale or singing while carrying him. He will be very happy to hear your voice.
  • Giving objects that have a variety of textures. For example, toys, books, or anything else he can reach with his hands.
  • Keep away dangerous objects that can be reached, because at the age of 4 months he began to wonder with new things.
The development of abilities and the infant's 4-month weight range as described above, is just a benchmark. If your baby's development and weight do not match the above explanation, you should not worry as long as your baby's growth follows the normal growth curve and does not have health problems. If necessary, consult a doctor to confirm your baby's condition.