The embryo lasts until about week 10 or 11 and then it is known as a fetus.
Embryo
Zygote
Embryo
For the first 8 weeks the developing human is called an embryo after that it is called a fetus.
The embryo is the first stage of a baby's life then after 12 weeks it is called a fetus.
After the 8th week, the embryo is called a fetus.
The death of an embryo or fetus in the first 20 weeks of pregnancy is called a spontaneous abortion.
When you have a abortion and not everything comes out. The embryo/fetus is dead but the uterus did not empty properly. You will then need a D&C.
Fetus is name given to human embryo after it is recognizable as human embryo .
An Embryo is a stage before Fetus, the Fetus is more developed than an Embryo, the stage of Birth and a baby being more developed than a fetus.
Fetus
At the first cell division of the zygote (fertilized egg), according to Wikipedia: http://en.wikipedia.org/wiki/Embryo
The fetus
fertilized egg,embryo, and fetus