Birth control

Cathleen
I plan on breastfeeding so i can't take hormone based birth control but I do want to be on some sort of contraceptive this will be my second baby but my fourth child I'm raising me and my husband do want at least 1 more baby after this one but not for a couple of years what would be the best type of contraceptives for me and I am prone to blood clots so it makes it very hard also so any help and information would be appreciated