Options for BFing moms:
Condoms (lambskin, latex, polyeurethane)
Combination of the above
I've gotten pg while useing NFP, condoms, and the minipill. After my last baby, I got a Mirena IUD inserted and am really happy with it. It's more effective than a vasectomy (99.9% effective rate). It also has one of the highest satisfaction rates of any birth...