IUGR Flashcards
(32 cards)
Causes of baby being small? Placental?
Multiple preg
Abrupt ion
Placental abnormalities?
4 congenital disease
Chromosomal
Genetic
Structural
Familial?
UPD uni parental disomy dangerous why?
Because will get all autosomal recessive disorders
Maternal restraint of growth?
Prevent too big a baby in uterus
If have UPD both from mom? Dad?
Double growth genes from mother = big baby
Dad: both growth genes off = small Abby
How to get UPD?
trisomy and loses drops one
Confined placental mosaicism?
Placenta has trisomy, fetus doesn’t
important Structural defect
Gastroschisis
two infections that cause IUGR?
CMV
Toxoplasma
Where to get CMV?
Day care
What kind of CMV virus is virus?
Herpes Virus
How to prevent CMV?
Hand-washing!!!
Hand-washing!!!
Where do you get toxo?
Stray cats - pooing in garden and your gardening/sandbox.
HAND WASHING!
Toxoplasmosis is What species?
Parasite
Vascular diseases?
Hypertension DM - atherosclerosis Renal disease SLE Vasculitis
Thrombophilia
Congenital Acquired: anti phospholipid -preg -smoking -Rest, sx, cancer
6 hereditary thrombophilias?
Hyperhomocystenaemia Factor V Prothrombin Protein S, C Anti-thrombin II
Toxins?
Smoking Alcohol Malnutrition Anaemia High altitude (lower O2)
Common reason for placenta abrupt ion?
Hemorrhagic infarct (99%) Trauma(1%)
Screening for IUGR
Symphysis-fundal height
~34 weeks
Optimal single biometric measure?
Abdominal circumference
Preventing IUGR?
- Aspirin
- Work and rest optimization
- NOT vitamin E or C
Mx of IUGR?
Confirm Dx Look for cause Surveillance Therapy Delivery
How to confirm genetically small?
Small parents Absence of risk factors Symmetrical small Normal growth trajectory Bio physically active Normal amniotic fluid Normal umbilical and other Dopller studies