Research has shown that the risk for neural tube defects is lowered by taking supplements of

Research has shown that the risk for neural tube defects is lowered by taking supplements of Folate

Ibelieve the answers are a and c.

If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other.