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Interpretation of CTG & CFHM during Antepartum & Intrapartum ...

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Definitions (10)<br />

• Late deceleration (type II dip)<br />

Definition: onset 30-60 seconds after onset<br />

<strong>of</strong> contractions, nadir & recovery all out<br />

<strong>of</strong> phase<br />

-- oxygen in retroplacental reservoir used up<br />

<strong>during</strong> contraction → hypoxaemia till<br />

full reoxygenation after relaxation

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