This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Maternal Anatomy and Physiology, Subject name: Gynaecology & Obstetrics
Appropriate treatment of women having physiological oedema in pregnancy includes :- 
Select and explain. 
A. Salt restriction, B. Bed rest, C. Fluid restriction, D. Diuretics
B: Bed rest
Answer: B: Bed rest 
Explanation: The cause of physiological edema is due to increased venous pressure of the inferior extremities by the gravid uterus pressing on the common iliac veins Edema disappears on rest with foot end elevation Salt restriction, diuretics and fluid restriction have no role in management of physiological edema Diuretics and fluid restriction may be offered to patients having edema secondary to hea disease to reduce preload.