Mothers massively change their intestines during pregnancy and nursing

When women are pregnant and nurse their babies, their bodies change and various organs, such as the breasts or the immune system, are adapted to ensure the health of both mother and child. This happens throughout evolution in all mammals. An international research team now reports the surprising finding that the intestine also changes completely in pregnant and nursing females, resulting in a doubling of the intestinal surface area and a striking structural reorganization.
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