What does "Last menstrual period" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"Last menstrual period" refers to the most recent time a woman experienced her monthly bleeding, which is part of her menstrual cycle. This is often used by doctors to help calculate the due date if a woman is pregnant. The date is used as a starting point because it's usually the last time when a woman was definitely not pregnant. It's also used to track a woman's menstrual cycle and identify any potential irregularities.
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