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Obstetric and Gynecological Nursing - The Carter Center

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3.6.3 Liver<br />

No morphological changes but functional changes<br />

Decreased plasma protein (albumen) an globline (synthesized<br />

by liver) increases serum alkaline phosphatese activity.<br />

3.6.4 Urinary systems<br />

- Each kidney increase in length <strong>and</strong> weight<br />

- <strong>The</strong> renal pelvis <strong>and</strong> ureter dilate <strong>and</strong> lengthen<br />

Thus there is an increase urinary stasis increase risk of<br />

infection <strong>and</strong> stone formation<br />

• Renal function<br />

• Chage occur due to increased maternal <strong>and</strong> placental<br />

hormones<br />

• (ACTH, ADH, cortisole, etc.) <strong>and</strong> increase in plamsma<br />

volume<br />

• Glomerular Filtration Rate increase by 50% (begins early<br />

<strong>and</strong> last up to term)<br />

• Renal blood flow rate increase by 20-25% (early to<br />

midtrimester) after the end of 2 nd trimester remain<br />

constant.<br />

• Urine volume dose not increase although glomerular<br />

filitration rate increase because of reabsorption.<br />

52

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