At twelve weeks the emryo is then called a fetus because of the process of organogenesis, which is the process of organ formation. The brian has developed by this point but will not develop further until much later in the pregnancy. The heart has usually started to beat by this point as well. at 10 weeks
Well, The foetus is considered viable ( which means it could survive on its own if for some reason the mother gave birth early etc) at 24 weeks, hence why at the moment the abortion limit in the UK is 24 weeks, u can not have an abortion after this point, so most midwives, dr's etc would say around 24 weeks, hope this helps!
This is something people often argue about. So for someone who is pro life for instance a embryo/fetus would be a person, while from a pro choice view the woman would be considered a person more than the embryo/fetus since she is the one who is sentient and capable of feeling which the embryo/fetus is not until birth.
The question as to when a human person begins is a philosophical question and can not be answered by science.
But as far as science goes: upon fertilization, parts of human beings have actually been transformed into something very different from what they were before; they have been changed into a single, whole human being. During the process of fertilization, the sperm and the oocyte cease to exist as such, and a new human being is produced. A human zygote is a human being. It is nota "potential" or a "possible" human being.
when it is born and separated from the placenta
Medically it's considered a baby from week 38 or when they are born so that is one version. They are embryonic or fetal tissue first.
fetus is the just previous stage before the baby coomes out from the uteres.
after 2 months
When it is in the womb
8 weeks
10 weeks.
A fetus.
The development of a fertilized egg starts out as an embryo though after 8 weeks it is legally considered a fetus.
Human embryos typically develop for approximately 8 weeks before they are considered to have reached the fetal stage of development.
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.
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.
Fetus
The embryo is the first stage of a baby's life then after 12 weeks it is called a fetus.
The death of an embryo or fetus in the first 20 weeks of pregnancy is called a spontaneous abortion.
The difference between a embryo and a fetus is that the fetus is a fully developed embryo and a embryo takes up to 8 weeks to develop into a fetus An embryo is a fertilized egg that turns into a fetus at 8 weeks.An Embryo is the very early stages of development after the egg being fertilised by a sperm and is categorised up until 8 weeks.A Foetus is described as an embryo that has passed through the very early stages of development and is categorised as from 8 weeks up until 23 weeks or further.
Well, it seems like after the 8th week it's called a fetus, but before it's just an embryo.