
How the body switches milk production on
During pregnancy, the body is already making more prolactin. But after the placenta is delivered, the blocking effect of progesterone and oestrogen drops, so full milk production can begin.How Breastfeeding Gets Established

Your baby helps prepare the next feed
When a baby suckles, the nipples are stimulated and prolactin rises again. It peaks about 90 minutes after a feed, helping the body prepare milk for the next feeding.How Breastfeeding Gets Established