Newborn Baby Weight Loss

Newborn baby weight loss is a normal and expected phenomenon in the first few days after birth. It is essential for parents to be aware of this process and understand why it happens.

During pregnancy, the baby receives nourishment from the mother through the placenta. After birth, the baby transitions to feeding on breast milk or formula. In the first few days, babies typically lose some weight, and this is primarily due to three main factors:

  1. Fluid Loss: Babies are born with extra fluid that they gradually lose in the first few days, mainly through urine and meconium (the first stool).
  2. Meconium Passage: Passing meconium helps the baby get rid of excess waste material that was accumulated in the intestines during pregnancy.
  3. Breast Milk Supply: It takes a couple of days for a mother’s breast milk supply to fully come in. Initially, the baby may only receive small amounts of colostrum, which is a highly nutritious and concentrated form of breast milk.

Typically, the average weight loss for a breastfed newborn can be up to 7-10% of their birth weight in the first few days. For formula-fed babies, the weight loss may be slightly less.

However, it’s important to note that this weight loss is temporary and usually resolves within the first week. As the baby’s feeding routine becomes established, they start to gain weight steadily.

To monitor your baby’s weight, healthcare providers often schedule follow-up appointments within the first week after birth. They will track your baby’s weight and ensure that they are regaining weight as expected.

If you have concerns about your baby’s weight loss or are unsure about their feeding routine, don’t hesitate to seek guidance from a healthcare professional, such as a pediatrician or lactation consultant. They can offer advice and support to ensure your baby is healthy and getting the nutrition they need.

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