8月4日，话题“东莞9岁女孩确诊性早熟”，冲上热搜，引发广泛关注。
A 9-year-old girl in Dongguan, Guangdong province, has been diagnosed with precocious puberty after she began menstruating, highlighting concerns about lifestyle and environmental factors that may contribute to early puberty in children.
puberty /ˈpjuːbərti/ 青春期
据东莞日报报道，东莞9岁7个月女童小丽（化名），因初次月经来潮到医院就诊，检查结果让家长崩溃：身高140cm、体重45kg，骨龄竟已达12岁3个月，远超实际年龄近3岁。医生评估其剩余生长空间仅剩约10cm，成年身高或将比遗传身高少8cm，骨骼接近闭合，生长潜力已被提前透支，最终确诊为性早熟。
According to Dongguan Daily, the girl, identified as Xiaoli, underwent medical tests after her first menstrual period. Results showed her bone age had advanced to 12 years and 3 months, nearly three years ahead of her actual age.
Doctors estimate she has only about 10 centimeters of growth remaining, and her adult height may fall about 8 centimeters short of her genetic potential. Her growth plates are already nearing closure, indicating that her remaining growth potential is limited.
骨龄检查提示骨龄12岁3个月（实际年龄9岁7个月）
家长表示，家中极少给孩子吃炸鸡、反季节水果，对发病原因十分困惑。经详细排查，问题竟藏在日常习惯中。
小丽长期大量摄入米饭、面包、蛋糕等高碳水食物，刺激胰岛素与性激素分泌从而加速骨龄老化；经常熬夜至11点，错过生长激素分泌高峰，同时缺乏运动导致肥胖，脂肪细胞进一步加速骨骺闭合；再加上长期使用香味文具、PC材质塑料水杯，夜间常开小夜灯，环境激素与光照干扰褪黑素分泌，多重因素叠加，最终诱发了性早熟。
Doctors found that Xiaoli's daily habits may have contributed to her condition. She regularly consumed large amounts of high-carbohydrate foods such as rice, bread and pastries, which may contribute to hormonal changes associated with accelerated bone maturation.
She also frequently stayed up past 11 pm, missing the period when growth hormone secretion is typically highest during sleep. A lack of physical activity contributed to obesity, which is associated with earlier closure of the growth plates.
In addition, long-term exposure to scented stationery, polycarbonate plastic water bottles and sleeping with a nightlight were considered possible contributing factors.
日常中的“催熟剂”
▌“香味有毒”的文具：
圆珠笔、橡皮擦、笔记本，越香越要警惕。这些香味多来自邻苯二甲酸酯（塑化剂），它是一种环境内分泌干扰物，会模拟人体雌激素，干扰孩子正常的内分泌轴，导致发育提前启动。
Experts also warned that some scented stationery products may contain phthalates, chemicals that can act as endocrine disruptors by mimicking estrogen and interfering with the body's hormonal balance.
▌喝水的水杯：
很多孩子常用的塑料水杯，尤其底部标识为“PC”材质（聚碳酸酯）的，遇热会释放双酚A。双酚A同样是强效的类雌激素，长期使用劣质塑料餐具装热水或热食，等于让孩子每天少量摄入“隐形雌激素”。
▌睡前刷短视频：
这是最容易被忽视的心理因素。睡前刷短视频、看不符合年龄的言情剧，屏幕上强烈的视听刺激和成人化内容，会通过视神经刺激下丘脑-垂体-性腺轴提前兴奋，诱发性激素分泌。心理性刺激，是比饮食更直接、更快速的“催熟开关”。
Psychological factors may also play a role. Experts say frequent exposure to age-inappropriate content or stimulating short videos before bedtime may influence hormonal activity through the brain's endocrine system, alongside dietary and environmental factors.
▌整夜的夜灯：
开灯睡觉会抑制褪黑素分泌，而褪黑素对性腺启动有抑制作用。褪黑素水平降低，等于解除了对性发育抑制的“刹车”，尤其对光敏感的女童影响更明显。
性早熟判断标准
性早熟指女孩7.5岁前、男孩9岁前出现第二性征。家长要记住“看、摸、问、测”四步法。
女孩（7.5岁前）：看乳房是否隆起、有硬块，摸起来是否疼痛；看内裤有无分泌物，10岁前出现不明原因阴道出血或者来月经，要高度警惕。
男孩（9岁前）：看睾丸是否增大（容积＞4ml，直径＞2.5cm）、阴茎是否变长；摸喉结有无凸起；听声音是否变粗。
共同信号：测生长速度。年身高增长＞7厘米（3-10岁阶段）要警惕；观察孩子突然出现害羞、回避洗澡等行为变化。
如何预防“性早熟”？
❶文具选“无味”：买橡皮、笔袋时，闻起来越香越不买。
❷水杯看“底标”：选PP（5号）或PPSU材质，使用时忌装滚烫开水，不用塑料袋装热食。
❸睡前“断网”1小时：9点前关闭电子屏幕，改用纸质书或亲子聊天。
❹睡觉“全黑”：用遮光窗帘，关闭小夜灯。
❺定期“量身高画曲线”：每3个月在同一时间、同一身高尺测量，生长曲线突然上扬是预警信号。
To help reduce the risk of precocious puberty, experts recommend choosing fragrance-free stationery, using water bottles made from PP (No 5) or PPSU materials, avoiding hot food in plastic bags or boiling water in plastic containers, limiting screen time before bed, keeping children's bedrooms completely dark during sleep, and monitoring height regularly to detect unusually rapid growth that may require medical evaluation.
来源：东莞日报 东莞市人民医院
跟着China Daily
精读英语新闻
“无痛”学英语，每天20分钟就够！
热门跟贴