The abdomen of a normal healthy woman is generally smooth, soft, and elastic. This indicates that all layers of the abdominal wall are intact and healthy. Pregnant women in the third trimester of pregnancy, or women who have given birth, not only have their bellies become enlarged and loose, but also often have horizontal lines. why is it like this? After pregnancy, due to the growth of the fetus, the enlargement of the uterus, and the expansion of the pregnant woman\’s abdomen, the layer of tissue called elastic fibers under the skin is destroyed, and the thin skin can expose the blood vessels underneath, so there will be