Week by Week/Month by Month

the sampling of amniotic fluid using a hollow needle inserted into

the fluid surrounding a fetus within the amnion

• amniotic sac

• amniotic fluid

• ovulation

a fertilized egg after 5 days, a rapidly dividing ball of cells

• blastocyst

• embryo

• fetus

The sperm travels through what part of the female body in order to reach the egg?

The goal of the sperm is to:

How many sperm are needed to fertilize the egg in order for conception to occur?

What happens when the egg joins with the sperm

When the female and male chromosomes combine, these cells are called a

 

What part of the female body does the baby grow?

a procedure that uses high-energy sound waves for viewing inside the body, by making echoes that form pictures of the tissues and organs on a computer screen (sonogram)