Things could
sometimes get complicated and challenging for both the mother
and the doctor. Hence it is always better to hope for the
best and prepare for the worst.
Some of the abnormal Foetal presentations
(malpresentation) that could occur during labour are
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Occipito
posterior position of vertex
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Definition
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The occipital region of the head lies in the right or the left side at the back of the
uterus
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Causes
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-
Faults in the passage (pelvic cavity).
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Faults in the passenger (baby).
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Faults in power i.e. the uterine inertia.
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Face Presentation
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Definition
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The face with chin presents while it is completely extended. Face presentation comprises of mouth, nose, and eyes.
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Causes
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- Faults in the passage (pelvic cavity).
- Faults in the passenger (baby).
- Malformed foetus.
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Brow Presentation
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Definition
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Brow or forehead presents when foetal head lies midway between being fully extended or fully bent.
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Causes
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- Faults in the passage (pelvic cavity).
- Faults in the passenger (baby).
- Malformed foetus.
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Breech Presentation
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Definition
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This is the presentation of the lower extremeties comprising of buttocks with lower limbs or knee or foot while the foetal remains longitudinal.
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Causes
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- Faults in passenger e.g. extended legs
- Faults in the passage: e.g. placenta
previa, hydroaminios (i.e. large amount of amnionic fluid in the uterus) etc.
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Shoulder presentation
and transverse
lie
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Definition
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The shoulder presents when the foetus is lying with its long axis transversely or obliquely across the uterus; the lie is usually oblique. The presenting part is commonly shoulder.
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Causes
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- Fault in the passage
(i.e in the pelvic cavity)
- Faults in passenger.
(i.e.the baby)
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