It is the woman who incubates the fertilized egg within her body. It is the woman who transfers calories from her body through the placenta to the developing embryo. It is the woman who suffers through pregnancy sickness, an adaptation to avoid and expel foods containing toxins and pathogens dangerous to the fetus. It is the woman whose center of gravity is shifted increasingly forward, putting more torque and strain on her spinal column, impairing her mobility and rendering her more vulnerable to falling and injury. It is the woman who bears the burden of nine full months of pregnancy, an
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