For the first 8 weeks the developing human is called an embryo after that it is called a fetus.
An unborn baby that is less than 8 weeks old, is an embryo, after this it is classified as a foetus.
embryonic
Embryo's are called fetuses after 8 weeks. The term zygotes is only used right after fertilization before cleavage occurs when the embryo is still a single cell.
After 8 weeks
The death of an embryo or fetus in the first 20 weeks of pregnancy is called a spontaneous abortion.
Well, it seems like after the 8th week it's called a fetus, but before it's just an embryo.
8 weeks
8 weeks
Embryo
Mother will get the Embryo which is an unborn baby in uterus in the early stages of development (up to 8 weeks after fertilization).
The embryo is the first stage of a baby's life then after 12 weeks it is called a fetus.