uterine blood supply
- uterine arteries deliver oxygenated blood to spiral arteries which bring oxygen
rich blood to intervillous space of placenta that has fetal capillaries
- fetal capillaries carry the O2 rich blood to umbilical VEIN that goes to fetus
-in contrast, the umbilical ART...
✓ - uterine arteries deliver oxygenated blood to spiral arteries which bring oxygen
rich blood to intervillous space of placenta that has fetal capillaries
✓
✓ - fetal capillaries carry the O2 rich blood to umbilical VEIN that goes to fetus
✓
✓ -in contrast, the umbilical ARTERIES return waste products to that intervillous space
that go into mother's venous system
Potential issues that negatively affect fetal oxygenation
✓ *Maternal Oxygenation:* asthma, hyper- or hypo- ventilation
✓ *low pH (< 7.10), high pCO2 (> 60), normal base deficit ( < 12)*
- increase of pCO2 for fetus that lowers pH but doesn't affect base deficit
factors that contribute to resp acidosis
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