Normal 4-Month Baby Weight and Its Development

The weight of a 4-month-old baby generally reaches twice its weight at birth. Monitoring your baby's weight development is very important to help find out if your baby is growing and developing properly. At the age of 4 months, the baby has a good development in terms of body size, physical abilities, and sensitivity to the surrounding environment. At this age, babies can begin to show expressions, such as smiling, laughing, trying to talk, and start putting their hands and feet or other objects in the mouth.

Ideal Size for Baby Weight 4 Months

At the age of 4 months, the baby will experience a surge in weight reaching 0.5 kilograms of body weight at the age of 3 months. Although the increase in baby weight is generally the same 4 months, but baby boys generally have a greater weight and length than female babies. Weight of babies 4 months with male sex, on average ranges between 5.6-8.6 kilograms and has a length between 60 to 67.8 centimeters (cm). Meanwhile, babies weighing 4 months with female sex, generally between 5.1-8.1 kilograms and length 58 to 66.2 cm. However, not all babies weigh four months the same because there are many factors that affect it. For example, premature babies are usually smaller in weight and length than babies born normally. Baby weight gain is also influenced by several factors such as:

• The quality and quantity of food consumed.
• The function of hormones that control growth.
• Overall health condition.
• Genes inherited from parents.

4 Month Infant Development

4-month-old babies have begun to try to recognize the surrounding environment with eyes, mouth, ears, or by touching them. He will put his finger in his mouth to feel an object, he also can begin to see an object that is far away, not just objects that are close to him. In addition, babies begin to pay attention when you talk and try to imitate. At this time, try to always invite him to interact. To support the growth and development of your baby, here are things you can do.

• Entertain your baby by reading a fairy tale or singing while carrying it. He will be very happy to hear your voice.
• Provides objects that have a variety of textures. For example toys, books, or anything that he can reach with his hands.
• Keep out dangerous objects that can be reached, because at the age of 4 months he began to be curious about new things.

The development of the ability and weight range of a 4-month-old baby as described above, is only a benchmark. If your baby's development and body weight do not match the above explanation, you don't need to worry as long as your baby's growth follows the normal growth curve and doesn't experience health problems. If necessary, consult a doctor to determine the condition of your baby.