The uterine horns
The gestation period for a cat is typically around 63-65 days. During this time, the embryo develops into a fully-formed kitten inside the mother's womb. At birth, the kitten is ready to survive and navigate the world outside the womb.
An archegonium is a multicellular reproductive structure which contains a large, non-motile gamete and within which an embryo will develop.
Blastocyst.
The same way that a human embryo or any other mammalian embryo does.
An embryo grows and develops in a females womb.
If there was an actual embryo, it was not a false pregnancy.
uterus
in her uterus
Uterus
it develops from a zygote.
In the womb
Three layers develop in an embryo .