What does "Ren" mean in a birthday?

Damn it. . . Ten days' work: A, B, D, E, G, N, N, where A, C, E, G and N are yang dryness, and B, D, J, Xin and Gui are yin dryness. Because all the meanings of heavenly stems and earthly branches come from trees, their original meanings are also vividly described. Ren: pregnant, everything is pregnant in the hidden place of yang. Ren is the water of the northern rivers.