From fertilization to the positive pregnancy test, to the formation of fingers, toes and facial features.
- Full-term pregnancy takes approximately 40 weeks and is split into three trimesters.
- The first trimester starts with conception.
- A zygote forms from the genetic material of both parents.
- By the end of the first trimester, the embryo has developed fingers, toes and facial features, and is known as a fetus.
Full-term pregnancy takes approximately 40 weeks and is split into three distinct blocks called trimesters - each lasting three months.
The first trimester starts with conception.
Conception occurs when a single sperm breaks through the wall of the egg and the genetic material of the two parents are combined to create a ...
Please log in to view and download the complete transcript.