You have to pick:

Do I have to sit on the egg for nine months or can I buy an incubator?

I see no reason why you couldn't buy an incubator. With modern technology we'd probably be able to build incubators that do far better than natural care.

would you spawn like a fish or lay eggs like a chicken?

also if chicken how many unfertalized eggs would women lay a day? Also would be tasty/taboo to eat