Menstruation refers to the periodic shedding and bleeding of the endometrium accompanied by the periodic changes of the ovaries. The appearance of regular menstruation is an important sign of reproductive function maturity — an important physiological phenomenon during the reproductive period. Normal menstruation is cyclical and self-limiting.
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Congratulations on defeating the little menstrual ghost!
Congratulations, you have defeated all the little ghosts and purified the continent of Sykes! Victory is yours.