Considering how we have billions of cells in our body as fully developed fetuses, I'd say billions.
The average pregnancy length is 40 weeks timed from two weeks before the egg is fertilized.
Fetus zygote is not the term to use. A zygote is a fertilized egg. An embryo is a developing baby. A fetus is a baby before it is born.
Baby finches aren't fertilized until they've become adult finches. Female adult finches, like most birds, are fertilized through something called a "cloacal kiss".
cell division, after it caused the egg and sperm to fertilized
Ovary 2nd Answer: No, not the ovary . . . the baby is in the womb, also called the uterus. (YOU-tuhr-uss) The ovary contains human eggs, each one of which could be fertilized and turn into a baby, but the eggs are not babys.
a baby, or for a chicken, a chick
A zygote is a fertilized egg in the womb before it starts to have any recognizable characteristics of a human. Usually a fetus is when the zygote starts to resemble a baby
It is the time when the baby is first created. This is when the egg is fertilized.
135 days
It starts growing.....into a baby........
A fertilized egg is the first stage of development in a human embryo, but it is not considered a baby as it has not yet developed into a fully formed fetus. The term "baby" is typically used to describe a human infant after birth.
The egg is fertilized in the fallopian tube and then attaches to the uterine wall. The baby will develop in the uterus.