One of the the man's sperm will reach one of the woman's eggs. The eggs are always present in a woman, but sperm do not develop in men until puberty.
Stage 4: Fetus
Hi, I'm the fetus
After conception, the sperm fertilizes the egg which becomes the zygote.
Pregnancy gone wrong part 1:
The zygote will enter a two-week period of rapid cell division and develop into an embryo. An embryo is the developing human organism from about two weeks after fertilization through the second month. The placenta will also transfer nutrients and oxygen from mother to embryo. (Life-line)
Pregnancy gone wrong part 2:
I drank alcohol during pregnancy so my child looks like this...
The fetus is the developing human organism from nine weeks after conception to birth.
Teratogens can enter the body. They are chemicals and viruses that can reach the embryo or fetus during prenatal development and cause harm.
Chemicals and viruses reaching the embryo and fetus
Fetal Alcohol Syndrome (FAS) can occur in children if a pregnant woman heavily drinks alcohol. Physical and abnormalities in children will result. The end.