Teratogens Sentence Examples
- Lack of prenatal care and nutrition has been linked to many birth defects; however, beyond the avoidance of known teratogens (anything that can cause a birth defect), there is little prevention possible. 
- In other instances, CHD may result from teratogens, usually unknown, during early gestation. 
- During the crucial first weeks, frequently before a woman is aware she is pregnant, the developing fetus is most susceptible to substances that can cause birth defects (teratogens). 
- Exposure to teratogens can cause congenital amputation. 
- During the first eight weeks of pregnancy, organogenesis (the formation of organs) is taking place, which places the embryo at a higher risk of deformities when exposed to teratogens.