What Causes Severe Leg Cramps During the Third Trimester of Pregnancy?
1. Introduction Severe leg cramps during the third trimester of pregnancy are predominantly caused by profound physiological shifts, including increased venous congestion, altered biomechanical load, and subtle intracellular electrolyte imbalances. As the uterus reaches its maximum size, it exerts substantial mechanical pressure on the major blood vessels and nerve pathways returning from the lower extremities. … Read more