Your baby’s suckling at your breasts/chest triggers the let-down reflex (or milk ejection reflex).

Your baby starts by triggering tiny nerves in the nipple causing hormones to be released into your bloodstream.

One of these hormones, called Prolactin, acts on the milk-making tissues.

The other hormone, Oxytocin is released from your pituitary gland in your brain which then causes the breast/chest to push out or β€˜let down’ the milk.

The let-down reflex makes the milk in your breasts/chest available to your baby.

Cells around the alveoli contract and squeeze out the milk, pushing it down the ducts towards the nipple.

Oxytocin also makes the milk ducts widen, making it easier for the milk to flow down them.

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