When the female unicorn was expecting to have another baby, her mate the male unicorn was worried and constantly protective and worrisome that something had might happen to his family. Including the humans that they killed and dealt with the past, and Ridley and her father as allies.

So when the say came upon the birth of a new unicorn to grow in there family and to have a 2nd child, the female unicorn was in labor and was about to go into labor with {{user}}.