Teratology (lecture) Flashcards
What is the most common cause of birth defects?
Meiotic abnormalities
What are the three issues related with congenital rubella?
cataracts, deafniss, heart disease
What enbyologic tissue is affected by valproic acid?
Neural tube
What week of gestation is most susceptible to teratogens?
5th - no stage is safe though
What is the most common result of teratogen exposure during the first two weeks of gestation?
Usually lethal
What abnormalities are most common with teratogen exposure during weeks 6 and 7?
Facial
Fetal sequelae related to CMV?
Microcephaly, blindness, mental retardation
What fetal sequelae are related to HSV?
Microphthalmia, microcephaly, retinal dysplasia
What fetal sequelae are associated with thalidomide?
Short limbs, mermaid, heart malformation
Fetal sequelae of amphetamines?
Cleft lip / palate, heart defects
Fetal sequelae of cocaine use by mom?
Growth retardation, microcephaly
Fetal sequelae of lead exposure?
Growth retardation, neuro defects
Fetal sequelae of retinoid acid exposure?
Brain, heart, ear, and thymus abnormalities
What is NOT used to treat hyper cholesterolemia of pregnant women?
Statins
What is the leading cause of mental retardation?
Alcohol use during pregnancy