پاورپوینت آمادگی برای زایمان به زبان انگلیسی
بخشی از متـنِ ایـن پاورپوینت : 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 
