Cloth Diapers - Prefolds?

Kiwi • Crunchy/ Homebirthing/ Cosleeping/ Cloth Diapering/ Babywearing/ Breastfeeding/ Nonvaccinating /Homeschooling Mamma
I am interested in cloth diapering. Prefolds sound appealing because of their low cost. However, how would this work with a newborn's umbilical stump?
Also, does it matter what brand I get?