Pregnancy changes the body's relationship to movement in ways that are profound, constant, and not always predictable. Your centre of gravity shifts. The ligaments loosen! The hormonal processes can effect every joint in the body, not just the ones you're using. The diaphragm is compressed. The cardiovascular system is working harder than usual just to sustain the baseline. Balance changes. Energy is unreliable. What felt accessible last week may not feel accessible today.