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The first life forms on Earth arose:
Secondary Amenorrhea
The cessation of menstrual periods for three months or more after regular menstrual cycles have been established, not due to pregnancy, menopause, or other natural reasons.
Secondary Dysmenorrhea
Painful menstruation that is caused by an underlying disease, disorder, or structural abnormality in the reproductive organs.
Primary Endometrial Cancer
A type of cancer that originates in the lining of the uterus (endometrium), it is the most common form of uterine cancer.
Premenstrual Syndrome
A set of physical and emotional symptoms that some women experience before their menstrual period.
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