الفهرس 
ContentsOnly 14 pages are availabe for public view
 |  | from | 151 |  |  |
| | | from | 151 | | |
Abstract
Pregnancy and parturition represent physiolo¬gical stress on t ne animals and biochemical changes in several body constrictions incLuding blood , Blood is an important fraction of the extracellular fluid, and entrance of home ostasis involves the entrance of voIume and composition of the extracell¬ular fluid. Changes in the maternal plasma concentrations of progesterone and are the main or hormonal changes that arc l’8sential for cyclicity, prognancy and parturition Lon, This is because these gonadal sex steroids regulate the synthesis and release of gonadotrop in hormones