i breast feed my 2 daughters and im 26 weeks pregnant so this is how it went for me both pregnancies will feeding at around 4 months into the pregnancy you milk supply slows down so the baby or babies in my case this time drink more often and then around 6 months it bosts up again thats what happened to me twice also i was told that as the taste of your milk changes they may go of it but my kids just loved the new taste and i had to practicaly fight them off sometimes lol good luck
I don't think your milk would stop really because I have heard of people getting pregnant again when still breastfeeding. The thing you have to worry about though is because of all the hormones it can make the milk taste funny and the baby won't want to breastfeed anymore because she doesn't like the taste.