Check out the image towards the bottom of the page illustrating how an infant sucking at the breast sends a signal to the hypothalamus which signals the pituitary to release oxytocin and prolactin for letdown and milk production. Our bodies are amazing!
Digested artificial baby milk, but not breastmilk, kills normal cells | Australian Breastfeeding Association
Breastfeeding support 24/7. You can also join the forum, email a counsellor and search the website. The Australian Breastfeeding Association is the best resource for Australian mothers. The info is up to date, the counsellors empathetic and supportive.
My breastfeeding plan | Australian Breastfeeding Association