Your first child will be girl, and second one will be a boy
Zeus chased Metis and she tried to escape going so far as to change her form many times she changed into various creators such as fish, hawk,and serpents however sues was equally as determined.
The oracle of Gaea told Metis that her first child cild was going to be girl then her second child was going to be a boy and was going to overthrow Zeus.
Zeus took this as a warning sign because his uncle and father got overthrown.
Next time Zeus saw Metis he flattered her.
When Metis wasn't looking he took a big bite out of her and her unborn child.
Later Zeus suffered from a n unbearable headache. He screamed all of the other gods came to see what the problem was. Hermes realized what needed to be done and directed Hephaestus to take a wedge and spilt open Zues's skull.,then Athena was born.