Chapter 4: Prenatal Development

The developing baby from around the eighth or ninth week of pregnancy until birth.

• Zygote

• embryo

• fetus

• Conception

A test that uses sound waves to make a video image of an unborn baby.

• amniocentesis

• ultrasound

• fetal alcohol effects

• Infertility

The inability of a man or woman to contribute to conception.

• Infertility

• amniocentesis

• ultrasound

• Prenatal development

A long tube that connects the baby to the placenta.

• ovum

• sperm

• sperm

• umbilical cord

Abnormalities caused by the mother consuming alcohol during pregnancy.

• Conception

• Prenatal development

• fetal alcohol effects

• amniocentesis

The baby's development during a pregnancy.

• Prenatal development

• Zygote

• embryo

• fetus

The liquid that surrounds and protects the developing baby in the uterus.

• umbilical cord

• Infertility

• amniotic fluid

• amniocentesis

An egg cell.

• Conception

• Zygote

• ovum

• sperm

The fertilized egg.

• ovum

• Zygote

• embryo

• fetus

The developing baby from about the third week of pregnancy through the eighth week.

• Zygote

• embryo

• fetus

• placenta