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An embryo forms first during pregnancy, after fertilization of the egg by sperm. It develops into a fetus around the end of the eighth week of pregnancy.

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1y ago

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After how many weeks can an embryo be called a foetus?

An unborn baby that is less than 8 weeks old, is an embryo, after this it is classified as a foetus.


What develops into the fetus?

A Foetus is formed by the growth and development of an embryo.


What term describes a devloping offspring afterthe first eight weeks of human pregnancy?

Foetus. You call it as an embryo in first 8 weeks.


What would happen to the embyro in gestation?

The embryo will develop into a foetus in the womb.


What is a 6 letter word for beginning of a baby?

Infant.Zygote, Embryo, Foetus.


How do babies become embryos?

Babies don't become embryos, it's the other way around. A fertilised egg becomes a zygote, a zygote becomes an embryo, an embryo becomes a foetus, a foetus becomes a baby.


What is a baby-to-be?

A baby-to-be is an unborn child, a child which has not yet been born - an embryo or foetus.


When does the heartbeat of a foetus start?

The heartbeat starts when it's a embryo and at week 5-6.


What is a fetus and what is its function?

A Foetus is formed by the growth and development of an embryo. A Foetus is an unborn baby in the uterus in the later stages of development (after 8 weeks till birth). A Foetus is also multicellular. The body features of developing baby can be identified.


When the fertilized ovum implants in the uterine lining it becomes?

The answer to your question is a zygote. From there, it develops to an embryo and a foetus. Happy science!!!


Is reptiles a mammals?

No, a reptile has the ability to lay eggs. Mammals give birth to their young after a period of time, as the egg develops inside them, to first become an embryo, and then a foetus.


What special features does the egg cell have that helps the embryo to develop?

it has a large food store so the egg can develope into a foetus