What are the developmental stages of a fetus?

What are the developmental stages of a fetus?

The process of prenatal development occurs in three main stages. The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period.

What is foetus in reproduction?

Pregnancy begins once the fertilized egg implants in the uterus. The embryo grows and becomes surrounded by structures that provide support and nourishment. Eyes, limbs, and organs appear as the embryo develops into a fetus. The fetus grows inside the uterus until pregnancy ends with labor and birth.

How many weeks is the zygote stage?

This two-week stage is known as the germinal period of development and covers the time of fertilization (also called conception) to the implantation of the blastocyst in the uterus.

What are the 3 stages of fetal development?

From beginning as a one-cell structure to your birth, your prenatal development occurred in an orderly and delicate sequence. There are three stages of prenatal development: germinal, embryonic, and fetal.

What do u mean by foetus?

Listen to pronunciation. (FEE-tus) In humans, an unborn baby that develops and grows inside the uterus (womb). The fetal period begins 8 weeks after fertilization of an egg by a sperm and ends at the time of birth.

Is foetus a developing embryo?

Your developing fetus has already gone through a few name changes in the first few weeks of pregnancy. Generally, it’s called an embryo from conception until the eighth week of development. After the eighth week, it’s called a fetus until it’s born.

How do zygotes develop?

A zygote is a fertilized egg. It’s created when sperm meets an egg in one of the fallopian tubes. When the sperm enters the egg, you conceive and the result is the zygote. It contains all the genetic information (DNA) that’s required to create a little human being.