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When you breastfeed your baby, his sucking at your breast triggers a feel-good hormone that signals for your milk to be released. This is the let down reflex.

You may feel a strong tingling in your breasts, or a sharp twinge deep inside your breast (not your nipple) as the milk ducts fill up, or suddenly feel "full", or even leak some milk from the other breast (that's where breast pads come in handy).

Some women get the let down reflex when they're not even feeding their baby - for example, just by thinking about the baby, or by having a warm shower, or touching their breast.

But not everyone feels the let down reflex, so don't worry if you don't feel anything. You'll know your milk has arrived when your baby starts to swallow.

To find out about how often to feed your baby, watch this video: