April 16, 2014

Causes of IUGR

The causes of fetal growth restriction can be divided into four groups :

1. Maternal
2. Fetal
3. Placental
4. Unknown


Maternal -

  • Small woman have small babies. These babies are not at increased risk.
  • Maternal nutrition before and during pregnancy -: As most of the fetal weight gain occurs behind 24th week of pregnancy. Malnutrition, anemia and oxygen deficiency during significant role in the reduction of the birth weight.
  • Toxins -: Alcohol, smoking, cocaine, heroine, drugs.
  • Maternal diseases -: Anemia, hypertension, heart disease, chronic renal failure.


Fetal - 

  • Congenital anomalies either cardiovascular, renal or others.
  • Chromosomal abnormalities.
  • Infection.
  • Multiple pregnancy.


Placental -

  • Poor blood flow to the placental site which leads to chronic insufficiency with inadequate substance transfer.


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