12/30/2025
👉 Blood and oxygen: During pregnancy, your body increases blood volume by nearly 50% to deliver enough oxygen and nutrients to the placenta and baby — meaning your heart and lungs are working harder every day.
👉 Energy use: Pregnancy raises your baseline energy needs, even at rest, because your body is growing an organ (the placenta), building a baby, and constantly adapting hormones and physical bodily functions.
👉 Muscles and ligaments: Hormones like relaxin soften ligaments and joints to prepare for birth, which changes movement and posture and stability — even without “doing” anything physical.
👉 Brain and nervous system: Pregnancy alters brain chemistry and stress response systems to support bonding and caregiving, which can increase emotional sensitivity, mental load, and exhaustion.
✨ For a few examples ✨
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