Hagar's sign is
a. the purple coloration of the cervix
b. the softening of the uterus near the cervix
c. a home pregnancy test
d. the presence of human chorionic gonadotropin

B. The softening of the uterus near the cervix

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.