Sea horse question???????

The girls get full of eggs, its called "gravid" when its eggs, not babies, the males fertilize it with the things that look like pollywogs, then the female moves the eggs to a pouch that the males have on their chest, like a kangaroos pouch, then the females swim away . later the eggs hatch in the males poch and swim out and it looks like he is giving birth, when , really he is not