Reproductive Toxicology Flashcards
AMES test
Identifies mutagenic materials using sample bacteria– doesn’t always transfer to other tests, subjects
0.05 rads
Background
0.5 rads
no effect
5 rads
Counseling threshold
50 rads
Microcephaly, mental retardation
5000 rads
Abortion
Valproic acid
Seizure tx/migraine
Category D
Spina bifida 20x
10% risk overall - autism, cognitive impairment
Isotretinoin
Category X
OTC
Category X
No inc in birth defects, just contraindicated in pregnancy
Thalidomide
Was prescribed for morning sickness in 1950s
Selectively toxic to embryo - Category X
Abnormal limbs
Embryo harmed before maternal effects
ACE-I
Category D
During 2nd trimester, can cause renal insufficiency via poisoning fetal RAAS system
CV defects
Diethylstilbestrol (DES)
Given to prevent miscarriage, diabetes
Causes clear cell carcinoma - vagina cancer