Embryo:This is an early stage in prenatal development where major organs and structures begin to form. It's particularly vulnerable to damage from teratogens.
Prenatal Development:This term refers to the process of growth and development within the womb, from conception until birth. It's during this time that exposure to teratogens can have significant effects.
Congenital Disorders: These are medical conditions that are present at birth, and they can often be caused by exposure to teratogens during prenatal development.