PU on Instagram: "Let's understand why do we feel period pain? Period Pain – Science Explained Period pain happens due to the release of natural chemicals called prostaglandins during menstruation. These chemicals cause the uterus to contract to shed its lining. When prostaglandin levels are high, the contractions become stronger, reducing blood flow and oxygen supply to the uterine muscles. This lack of oxygen leads to cramping pain, lower-back discomfort, fatigue, nausea, and heaviness. Hormon

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