Question

How long after fertilization does an embryo become a foetus?​

Answer 1

Explanation:

Within 24 hours after fertilization, the egg that will become your baby rapidly divides into many cells. By the eighth week of pregnancy, your baby will change names from an embryo to a fetus. There are about 40 weeks to a typical pregnancy.

Answer 2

.At the end of the 8th week after fertilization (10 weeks of pregnancy), the embryo is considered a fetus. During this stage, the structures that have already formed grow and develop. The following are markers during pregnancy: By 12 weeks of pregnancy: The fetus fills the entire uterus.