Is My Baby Getting Enough Formula? Pediatric Feeding Concerns - Pediatrics

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Milk consumption issues?


Hello, doctor! My son was born on January 16 this year, and today he is 2 months and 3 days old.
I measured his weight to be approximately 4700-4900 grams, his length is 57 cm, and his head circumference is 38 cm (all measurements are self-reported as I haven't taken him for vaccinations yet).
He was born weighing 2460 grams, with a length of 47 cm and a head circumference of 31.5 cm.

In recent days, he can have four feedings a day, with each feeding being 160 cc of formula milk.
He does not have a night feeding (approximately from 10 PM to 7 or 8 AM), but I have to wake up to give him a pacifier.
Is this milk volume too little? Is the interval from 10 PM to 7 or 8 AM too long? Will this affect my baby's brain development and overall growth?

Jinzhang de xīnshǒu māmā, 30~39 year old female. Ask Date: 2019/03/19

Dr. Pei Rensheng reply Pediatrics


Hello, the birth weight was 2470 grams, which is classified as low birth weight if born at term.
Currently, the baby weighs 4.8 kilograms, which is approximately at the 10th percentile according to growth charts, indicating that the weight is still on the lighter side but within the normal range.
The baby is consuming 640 cc per day, which is acceptable; however, achieving 50 cc/kg/day, totaling 720 cc/day, would be better.
It is fine if the baby does not feed at night, as they will gradually align their routine with the caregiver's schedule.
Wishing everyone health and happiness! Sincerely, Dr.
Pei Ren-Sheng, Attending Physician, Pediatrics, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2019/03/19

More Info


It's great to hear that you're actively monitoring your baby's growth and feeding patterns. Based on the information you've provided, your baby was born at a low birth weight of 2460 grams and has since gained weight to approximately 4700-4900 grams at 2 months and 3 days old. This indicates a healthy weight gain, as infants typically double their birth weight by around 4 to 6 months of age.

1. Feeding Amounts: You mentioned that your baby is currently taking about 160cc of formula per feeding, four times a day. This totals approximately 640cc per day. For infants, the general guideline is to provide about 150-200cc of formula per kilogram of body weight. Given your baby's weight of around 4.7 kg, this would suggest a daily intake of approximately 705-940cc. Therefore, while your current feeding amount is on the lower end of the recommended range, it is not drastically insufficient. However, if your baby seems hungry or is not gaining weight as expected, you may want to consider increasing the amount per feeding or the number of feedings.

2. Nighttime Feeding: You mentioned that your baby sleeps from around 10 PM to 7-8 AM without a night feeding. This is a long stretch for a young infant, especially one who is still in the early months of life. While some babies can sleep through the night at this age, many still require nighttime feedings. If your baby is waking up and showing signs of hunger, it might be beneficial to offer a feeding during the night. This can help ensure that your baby is getting enough nutrition and can also support healthy brain development, as adequate nutrition during these early months is crucial for cognitive growth.

3. Impact on Development: As for the concern about whether the feeding schedule could impact your baby's brain development, it's important to note that consistent and adequate nutrition is vital during the first year of life. The brain grows rapidly during this time, and proper nutrition supports this growth. If your baby is not getting enough calories or nutrients, it could potentially affect their development. However, if your baby is gaining weight appropriately and seems content, they may be getting enough nutrition. Regular check-ups with your pediatrician can help monitor growth and development.

4. Signs of Adequate Feeding: To assess whether your baby is getting enough formula, look for signs such as consistent weight gain, a good number of wet diapers (typically 6-8 per day), and overall alertness and engagement during wake times. If you notice any concerns, such as lethargy, irritability, or a significant decrease in wet diapers, it would be wise to consult your pediatrician.

5. Consulting Your Pediatrician: Since you haven't yet taken your baby for vaccinations, it would be a good opportunity to discuss your feeding concerns with your pediatrician during that visit. They can provide personalized recommendations based on your baby's growth patterns and overall health.

In summary, while your baby's current feeding amounts are on the lower end of the recommended range, they may still be adequate if your baby is gaining weight and appears healthy. However, consider offering more frequent feedings or increasing the amount per feeding, especially during the night, to ensure your baby is getting enough nutrition for optimal growth and development. Regular check-ups with your pediatrician will help you stay on track with your baby's health and feeding needs.

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