2. Definition
Fetal distress is defined as
depletion of oxygen and
accumulation of carbon
dioxide,leading to a state of
“hypoxia and acidosis ” during
intra-uterine life.
8. Clinical manifestation
Acute fetal distress
(2) Meconium staining of the amniotic
fluid grade I 、 II 、 III
(3) Fetal movement
Frequently→decrease and weaken
(4) Acidosis
FBS (fetal blood sample)
pH<7.20
pO 2 <10mmHg (15~30mmHg)
CO >60mmHg (35~55mmHg)