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8一9岁的小姑娘突然来了月经,真是不知所措。这样的事已不鲜见。性早熟现象给家长、青少年带来许多困扰。 少女性早熟是指女
8-9 years old girl suddenly came menstruation, really overwhelmed. Such a thing is not uncommon. Precocious puberty brings many troubles to parents and teenagers. Female precocious puberty means female