Fetal Lie

Is the relationship between the long axis of the fetus to the long axis of the mother.

Three possible lies

1. > 99% Longitudinal
This is the only NORMAL position
Long axis of the fetus is aligned to the long axis of the mother.

Can be:
Cephalic/Vertex (head down)
Breach (butt or feet down)

2. <1%Transverse
Long axis of the fetus is at a right angle or perpendicular to the long axis of the mother.

3. <1% Oblique
Some angle between the longitudinal lie and the transverse lie.


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