Vocabulary
Causes of Birth Defects
Birth Defects
Prenatal Testing
Prevention & Care
100

A pregnancy loss before 20 weeks.

What is a miscarriage?

100

Alcohol, tobacco, and drugs are examples of these causes.

What are environmental causes?  

100

This condition involves an extra chromosome 21.

What is Down syndrome?

100

This test has not been found to harm the fetus.

What is ultrasound?

100

Pregnant women should avoid these substances.

What are alcohol, tobacco, and drugs?

200

A condition present at birth that affects health or development.

What is a birth defect?

200

Birth defects caused by genes passed from parents.

What are hereditary causes?

200

This birth defect affects the spine and nervous system.

What is spina bifida?

200

Doctors often use this test for mothers over age 35 to detect Down syndrome.

What is amniocentesis?

200

This vitamin can help prevent spina bifida.

What is folic acid?

300

A prenatal test that uses sound waves to create images of the fetus.

What is an ultrasound?

300

An extra chromosome can cause this disorder.

What is Down syndrome?

300

This disease causes thick mucus in the lungs and digestive system.

What is cystic fibrosis?

300

This prenatal test can be done earlier than amniocentesis.

What is chorionic villi sampling?

300

This type of counseling helps families understand genetic risks.

What is genetic counseling?

400

A prenatal test where fluid is removed from around the fetus.

What is amniocentesis?


400

Poor nutrition during pregnancy can affect this.

What is fetal development?

400

This disorder affects red blood cells and is more common in African Americans.

What is sickle cell anemia?

400

A risk of amniocentesis and CVS.

What is miscarriage?

400

Regular doctor visits during pregnancy are called this.

What is prenatal care?

500

Testing tissue from the membrane surrounding the fetus.

What is chorionic villi sampling (CVS)?

500

Scientists believe many birth defects are caused by a combination of these two things.

What are heredity and environment?

500

This disorder causes progressive muscle weakness and shrinking muscles.

What is muscular dystrophy?

500

These tests help doctors identify possible birth defects before birth.

What are prenatal tests?

500

Why are the first few weeks of pregnancy especially important?  

Because the baby’s major organs and body systems are developing during that time.