Once the zygote becomes an embryo it starts developing all of its organs, nervous system etc. then after 8 weeks of development everything is there so it becomes a fetus, and the fetus just grows bigger.
After a sperm fertilizes an egg its referred to as a zygote. Then it becomes a fetus, I believe after the first trimester.
An embryo during the late stages of development is known as a fetus.
Human embryos typically develop for approximately 8 weeks before they are considered to have reached the fetal stage of development.
The development of a fertilized egg starts out as an embryo though after 8 weeks it is legally considered a fetus.
There really isn't much difference between a zygote, embryo, and fetus. A zygote forms after fertilization and becomes an embryo, which later becomes a fetus.
The fertilized egg becomes an embryo and later becomes a fetus.
A fetus.
The fertilized egg becomes an embryo and later becomes a fetus.
In humans, the embryo becomes the fetus at the beginning of the 11th week in gestational age (the 9th week after fertilization). This stage starts when the major structures have formed.
A fetus is the unborn baby, after the fertilisation stage when the embryo is implanted in the uterus. The uterus becomes the womb in which the developing embryo grows into a embryo, slowly taking the shape of a human with limbs, head, and facial features.
the egg becomes a zygote, then an embryo, and eventually a fetus until birth.
After the egg has been fertilized the egg transfoms into a zygote the embryo and then a fetus which after becomes a baby!
Fetus is name given to human embryo after it is recognizable as human embryo .
For the first 8 weeks the developing human is called an embryo after that it is called a fetus.
Once the zygote becomes an embryo it starts developing all of its organs, nervous system etc. then after 8 weeks of development everything is there so it becomes a fetus, and the fetus just grows bigger.
at 2 and a half months its not an embryo anymore its already implated intself into the uterine lining and becomes a fetus. but the fetus is about and inch and a half long by then i would say.