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Obstetric and Gynecological Nursing - The Carter Center

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- Clotting factors - Several factors increase- F- I, F-VIII<br />

mainly<br />

- To lesses extent, F-VII, IX, X <strong>and</strong> XII<br />

- Decrease- F- XI, F-XIII<br />

3.6.7 Cardiovascular System<br />

Heart slightly shift in postion<br />

Enlarging Uterus → diaphrym→ displace up ward → shift of<br />

apex beat Caradiac capcity increase by 70-80ml<br />

Cardiac out put<br />

- increase a 49% during pregnancy reach may at 20-24<br />

weeks of gestation the constant until term<br />

- During early pregnancy SV increase by 25-30 % with<br />

length enig sesthtion HR increase (bttern increase by 15<br />

b/min than non prgnancy) co=<br />

Blood Presure<br />

Systemic blood pressure declines slightly during pregnancy<br />

<strong>The</strong>re is little change in SBP but DBP decrease by 5-10<br />

mmHg from 12-26 weeks, then incrase to non pregnant level<br />

by term.<br />

Venous pressure<br />

- No change in the upper body<br />

54

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