برترین مرجع درسی و دانشگاهی

 Cardio vascular changes
 Smooth muscle tone in the walls of the veins begins to improve
  Blood volume decrease
  Cardiac output and blood pressure drop to their pre-pregnant levels
There is a slightly increased risk of deep vein thrombosis and  possible embolus
 Musculosketal changes
 The effects of Relaxin and Progesterone may take 4    to five months to be reversed
 The ligaments are at their longest and the Joint are   at their least stable
 The abdominal muscles are Stretched and Weakend