There is often a normal short delay between when a newborn starts nursing and when milk starts freely flowing from the teat because of a delay in the action of

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The normal short delay between when a newborn starts nursing and when milk starts freely flowing from the teat is due to a delay in the action of oxytocin. Oxytocin is responsible for milk ejection reflex, which is necessary for the release of milk from the alveoli into the ducts and out of the nipple. The physical stimulation of the nipple by the baby's sucking triggers the release of oxytocin, which then causes the muscles around the alveoli to contract and push the milk out. This process may take a few seconds to kick in, leading to a short delay before milk starts flowing.

There Is Often a Normal Short Delay Between When a Newborn