Prenatal Development

1. Germinal stage: wanderings

1.1. germinal stage

1.2. blastocyst

1.3. embryonic disk

1.4. trophoblast

1.5. umbilical cord

1.6. placenta

2. Embryonic stage

2.1. proximodistal

2.2. cephalocaudal

2.3. ectoderm

2.4. neural tube

2.5. endoderm

2.6. mesoderm

3. Teratogens and Health Problems

3.1. teratogens

3.2. critical periods

3.3. syphilis

3.4. congenital

3.5. HIV/AIDS

3.6. Rubella

3.7. Toxemia

3.8. Rh Incompatibility

4. Drugs taken by parents

4.1. thalidomide

4.2. progestin

4.3. DES

4.4. heroin&methadone

4.5. Marijuana

4.6. cocaine

4.7. FAS

4.8. FAE