Umbilical cord care can be intimidating to many first - and even second-time - parents. I know I was constantly worried about bumping the cord and hurting my newborn daughter. But with baby bodysuits a necessary layer under newborn clothes, it's hard to avoid rubbing against it.
The easiest choice is to go with a side-snap t-shirt (also known as kimono style) that ties or snaps at the side. These still provide the benefit of an extra layer, but they do not fit as snugly as a bodysuit that only snaps at the crotch.
Suggested Reading: Step-by-Step Umbilical Cord Care