The Developing Human CH 20

Question 1

Describe Congenital Rubella and defects

Answer 1

• Infectious agent as teratogen
• First trimester maternal rubella virus infection
• cataracts, cardiac defects and deafness

Question 2

Describe Cytomegalovirus and defects

Answer 2

• Infectious agent as teratogen
• CMV infection later in pregnancy result in severe birth defects
• IUGR, microphtalmia (small or absent eyeballs), choriorentinitis (inflammation of the choroid and retina of the eye), blindness, microcephaly, cerebral calcification, cognitive deficiency, deafness, cerebral palsy, and hepatosplenomegaly