Article(id=1259565860218352007, tenantId=1146029695717560320, journalId=1256213402557890569, issueId=1259565853893378510, articleNumber=null, orderNo=null, doi=10.16835/j.cnki.1000-9817.2026082, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1771862400000, receivedDateStr=2026-02-24, revisedDate=1773072000000, revisedDateStr=2026-03-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1778233502678, onlineDateStr=2026-05-08, pubDate=1774368000000, pubDateStr=2026-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1778233502678, onlineIssueDateStr=2026-05-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1778233502678, creator=13701087609, updateTime=1778233502678, updator=13701087609, issue=Issue{id=1259565853893378510, tenantId=1146029695717560320, journalId=1256213402557890569, year='2026', volume='47', issue='3', pageStart='319', pageEnd='416', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1778233501170, creator=13701087609, updateTime=1778233964926, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1259567799123493033, tenantId=1146029695717560320, journalId=1256213402557890569, issueId=1259565853893378510, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1259567799123493034, tenantId=1146029695717560320, journalId=1256213402557890569, issueId=1259565853893378510, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=408, endPage=412, ext={EN=ArticleExt(id=1259565862521024911, articleId=1259565860218352007, tenantId=1146029695717560320, journalId=1256213402557890569, language=EN, title=Longitudinal cohort study on pubertal development trajectories of testicular and breast development among children, columnId=1259565862181286284, journalTitle=Chinese Journal of School Health, columnName=Growth, Development and Surveillance, runingTitle=null, highlight=null, articleAbstract=
Objective To characterize longitudinal trajectories of testicular development in boys and breast development in girls, so as to provide reference data for understanding patterns of pubertal sexual maturation.
Methods Based on the Shanghai Pudong New Area Cohort Study on Growth, Development and Health in Children and Adolescents, a baseline survey was conducted in 2020 using a mult-stage cluster random sampling method. A total of 2 184 children who completed all follow-ups during the primary school period from 13 elementary schools in Pudong New Area, Shanghai, with annual follow-ups during 2021-2025. Testicular volume and Tanner stage of breast development were assessed by professional physicians using standardized visual inspection and palpation. The age distribution of testicular volume and breast development was fitted by using cumulative link mixed models and Turnbull's nonparametric maximum likelihood estimation method.
Results Median ages for testicular volumes of 2, 3, 4 and 5 mL in boys were 7.07, 9.24, 10.29, and 11.57 years old, respectively. Median ages for Tanner breast stages Ⅱ, Ⅲ, Ⅳ, and Ⅴ in girls were 8.55, 10.17, 11.18, and 13.78 years old, respectively. Based on overweight and obesity, stratified analysis showed that earlier pubertal onset among overweight/obesity children, and the key milestones for pubertal initiation were testicular volume reaching 4 mL in boys and breast Tanner Ⅱ in girls for 10.29, 10.83; 8.18, 9.00 years.
Conclusion Overweight and obesity are associated with earlier pubertal initiation, but there are certain gender and developmental stage-specific patterns.
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目的 拟合男生睾丸和女生乳房发育的纵向变化,为进一步理解青春期性征发育规律提供参考。
方法 基于“上海浦东新区儿童青少年生长发育与健康”队列于2020年进行基线调查,采用多阶段整群随机抽样方法,在上海市浦东新区选取13所小学2 184名完成小学阶段全部随访的儿童为研究对象,2021—2025年每年随访1次。睾丸容积和乳房发育Tanner分期数据由专业医生通过标准化视诊和触诊获得。采用累积链接混合模型和Turnbull非参数极大似然估计法拟合睾丸容积和乳房发育的年龄分布。
结果 男生睾丸容积达到2,3,4和5 mL的中位年龄分别为7.07,9.24,10.29和11.57岁;女生乳房发育进入Tanner Ⅱ、Ⅲ、Ⅳ和Ⅴ期的中位年龄分别为8.55,10.17,11.18和13.78岁。根据是、否超重肥胖的分层分析显示,超重肥胖儿童进入青春期普遍更早,青春期启动关键里程碑事件男生睾丸容积达到4 mL,女生乳房发育进入Tanner Ⅱ期的中位数年龄分别为10.29,10.83;8.18,9.00岁。
结论 儿童超重肥胖与青春期发育提前相关,但存在一定性别和发育阶段特异性。
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胡卉(1990- ),女,安徽芜湖人,硕士,主管医师,主要研究方向为营养健康与学校卫生
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1上海交通大学公共卫生学院,上海 200025
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3上海市浦东新区疾病预防控制中心(上海市浦东新区卫生健康监督所)学校卫生与营养食品科
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3上海市浦东新区疾病预防控制中心(上海市浦东新区卫生健康监督所)学校卫生与营养食品科)]), AuthorCompany(id=1259565872990007763, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, xref=4, ext=[AuthorCompanyExt(id=1259565873069699541, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, companyId=1259565872990007763, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3上海市浦东新区疾病预防控制中心(上海市浦东新区卫生健康监督所)学校卫生与营养食品科)]), AuthorCompany(id=1259565872990007763, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, xref=4, ext=[AuthorCompanyExt(id=1259565873069699541, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, companyId=1259565872990007763, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Cumulative incidence rate of onset age of puberty in children with different nutritional stauts by genders, figureFileSmall=ntv0hArfFx7LHjDvHmIH1A==, figureFileBig=ZXFnpU/eqpPDbPSVVGaA/Q==, tableContent=null), ArticleFig(id=1259565907265860301, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, language=CN, label=图1, caption=
不同性别不同营养状况儿童青春期发育启动年龄累计发生率, figureFileSmall=ntv0hArfFx7LHjDvHmIH1A==, figureFileBig=ZXFnpU/eqpPDbPSVVGaA/Q==, tableContent=null), ArticleFig(id=1259565907915977422, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, language=EN, label=Tab.1, caption=
Comparison of basic demographic characteristics distribution among children of different genders
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| 性别 | 人数 | 超重肥胖 | 出生体重 | 婴儿期喂养方式 | 家庭人均月收入 | 父母受教育水平 |
| 否 | 是 | 低 | 正常 | 高 | 母乳 | 人工 | 混合 | < 6 000元 | ≥6 000元 | 低 | 中 | 高 |
| 男 | 1 194 | 703(58.9) | 491(41.1) | 31(2.8) | 941(85.8) | 125(11.4) | 367(33.4) | 264(24.0) | 467 (42.5) | 430(39.5) | 658(60.5) | 252(23.8) | 263 (24.8) | 546(51.5) |
| 女 | 990 | 695(70.2) | 295 (29.8) | 36(3.9) | 827(89.5) | 61(6.6) | 352(38.2) | 188(20.4) | 381 (41.4) | 313(34.1) | 604(65.9) | 148(16.4) | 220 (24.4) | 532(59.1) |
| χ2值 | 29.64 | 15.05 | 6.35 | 5.97 | 17.95 |
| P值 | < 0.01 | < 0.01 | 0.04 | 0.02 | < 0.01 |
), ArticleFig(id=1259565908498985679, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, language=CN, label=表1, caption=
不同性别儿童基本人口学特征分布比较
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| 性别 | 人数 | 超重肥胖 | 出生体重 | 婴儿期喂养方式 | 家庭人均月收入 | 父母受教育水平 |
| 否 | 是 | 低 | 正常 | 高 | 母乳 | 人工 | 混合 | < 6 000元 | ≥6 000元 | 低 | 中 | 高 |
| 男 | 1 194 | 703(58.9) | 491(41.1) | 31(2.8) | 941(85.8) | 125(11.4) | 367(33.4) | 264(24.0) | 467 (42.5) | 430(39.5) | 658(60.5) | 252(23.8) | 263 (24.8) | 546(51.5) |
| 女 | 990 | 695(70.2) | 295 (29.8) | 36(3.9) | 827(89.5) | 61(6.6) | 352(38.2) | 188(20.4) | 381 (41.4) | 313(34.1) | 604(65.9) | 148(16.4) | 220 (24.4) | 532(59.1) |
| χ2值 | 29.64 | 15.05 | 6.35 | 5.97 | 17.95 |
| P值 | < 0.01 | < 0.01 | 0.04 | 0.02 | < 0.01 |
), ArticleFig(id=1259565908708700880, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, language=EN, label=Tab.2, caption=
Age-specific distribution of pubertal development indicators in children by genders
, figureFileSmall=null, figureFileBig=null, tableContent=
| 年龄/岁 | 男生睾丸容积 | | 女生乳房Tanner分期 |
| 人次 | 1 mL | 2 mL | 3 mL | 4 mL | 5 mL | 人次 | Ⅰ | Ⅱ | Ⅲ | Ⅳ | Ⅴ |
| < 8 | 1 565 | 728(46.5) | 837(53.5) | 0 | 0 | 0 | | 837 | 792(94.6) | 44(5.3) | 1(0.1) | 0 | 0 |
| 8 | 540 | 3(0.6) | 375(69.4) | 154(28.5) | 8(1.5) | 0 | | 592 | 154(26.0) | 305(51.5) | 116(19.6) | 17(2.9) | 0 |
| 9 | 605 | 0 | 58(9.6) | 499(82.5) | 48(7.9) | 0 | | 439 | 41(9.3) | 248(56.5) | 124(28.3) | 23(5.2) | 3(0.7) |
| 10 | 790 | 0 | 1(0.1) | 425(53.8) | 341(43.2) | 23(2.9) | | 384 | 0 | 156(40.6) | 156(40.6) | 48(12.5) | 24(6.3) |
| ≥11 | 119 | 0 | 0 | 48(40.3) | 57(47.9) | 14(11.8) | | 68 | 0 | 15(22.0) | 25(36.8) | 17(25.0) | 11(16.2) |
), ArticleFig(id=1259565908880667345, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, language=CN, label=表2, caption=
不同年龄性别儿童青春期发育指标的发育进程分布
, figureFileSmall=null, figureFileBig=null, tableContent=
| 年龄/岁 | 男生睾丸容积 | | 女生乳房Tanner分期 |
| 人次 | 1 mL | 2 mL | 3 mL | 4 mL | 5 mL | 人次 | Ⅰ | Ⅱ | Ⅲ | Ⅳ | Ⅴ |
| < 8 | 1 565 | 728(46.5) | 837(53.5) | 0 | 0 | 0 | | 837 | 792(94.6) | 44(5.3) | 1(0.1) | 0 | 0 |
| 8 | 540 | 3(0.6) | 375(69.4) | 154(28.5) | 8(1.5) | 0 | | 592 | 154(26.0) | 305(51.5) | 116(19.6) | 17(2.9) | 0 |
| 9 | 605 | 0 | 58(9.6) | 499(82.5) | 48(7.9) | 0 | | 439 | 41(9.3) | 248(56.5) | 124(28.3) | 23(5.2) | 3(0.7) |
| 10 | 790 | 0 | 1(0.1) | 425(53.8) | 341(43.2) | 23(2.9) | | 384 | 0 | 156(40.6) | 156(40.6) | 48(12.5) | 24(6.3) |
| ≥11 | 119 | 0 | 0 | 48(40.3) | 57(47.9) | 14(11.8) | | 68 | 0 | 15(22.0) | 25(36.8) | 17(25.0) | 11(16.2) |
), ArticleFig(id=1259565909027467986, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, language=EN, label=Tab.3, caption=
Developmental trajectories of pubertal development indicators in children by genders/year
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| 青春期发育指标 | 阶段 | | P15(95%CI) | P25(95%CI) | P50(95%CI) | P75(95%CI) | P85(95%CI) |
| 男生睾丸容积/mL | 2 | | 6.85(6.80~6.90) | 7.00(6.86~7.05) | 7.07(7.04~7.11) | 7.50(7.50~8.07) | 8.16(8.07~8.19) |
| 3 | | 8.37(8.31~8.95) | 9.00(8.99~9.00) | 9.24(9.16~9.29) | 9.98(9.91~10.13) | 10.17(10.10~10.18) |
| 4 | | 10.10(9.97~10.18) | 10.17(10.10~10.24) | 10.29(10.28~10.87) | 11.95(11.10~NE) | 11.95(11.38~NE) |
| 5 | | 11.57(11.01~NE) | 11.57(11.57~NE) | 11.57(11.57~NE) | — | — |
| 女生乳房Tanner分期 | Ⅱ | | 7.98(7.89~8.00) | 8.18(7.98~8.21) | 8.55(8.21~8.80) | 9.30(9.25~9.42) | 9.99(9.30~10.00) |
| Ⅲ | | 8.52(8.18~8.95) | 9.05(8.98~9.59) | 10.17(10.02~10.27) | 10.87(10.31~11.12) | 11.15(10.99~NE) |
| Ⅳ | | 10.21(10.14~10.51) | 10.88(10.32~11.02) | 11.18(11.02~12.15) | 11.95(11.18~12.82) | 11.95(11.18~12.82) |
| Ⅴ | | 11.02(10.79~13.78) | 11.95(11.02~NE) | 13.78(11.95~NE) | 13.78(11.95~NE) | 13.780(11.95~NE) |
), ArticleFig(id=1259565909279126227, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, language=CN, label=表3, caption=
不同性别儿童青春期发育指标的发育进程轨迹/岁
, figureFileSmall=null, figureFileBig=null, tableContent=
| 青春期发育指标 | 阶段 | | P15(95%CI) | P25(95%CI) | P50(95%CI) | P75(95%CI) | P85(95%CI) |
| 男生睾丸容积/mL | 2 | | 6.85(6.80~6.90) | 7.00(6.86~7.05) | 7.07(7.04~7.11) | 7.50(7.50~8.07) | 8.16(8.07~8.19) |
| 3 | | 8.37(8.31~8.95) | 9.00(8.99~9.00) | 9.24(9.16~9.29) | 9.98(9.91~10.13) | 10.17(10.10~10.18) |
| 4 | | 10.10(9.97~10.18) | 10.17(10.10~10.24) | 10.29(10.28~10.87) | 11.95(11.10~NE) | 11.95(11.38~NE) |
| 5 | | 11.57(11.01~NE) | 11.57(11.57~NE) | 11.57(11.57~NE) | — | — |
| 女生乳房Tanner分期 | Ⅱ | | 7.98(7.89~8.00) | 8.18(7.98~8.21) | 8.55(8.21~8.80) | 9.30(9.25~9.42) | 9.99(9.30~10.00) |
| Ⅲ | | 8.52(8.18~8.95) | 9.05(8.98~9.59) | 10.17(10.02~10.27) | 10.87(10.31~11.12) | 11.15(10.99~NE) |
| Ⅳ | | 10.21(10.14~10.51) | 10.88(10.32~11.02) | 11.18(11.02~12.15) | 11.95(11.18~12.82) | 11.95(11.18~12.82) |
| Ⅴ | | 11.02(10.79~13.78) | 11.95(11.02~NE) | 13.78(11.95~NE) | 13.78(11.95~NE) | 13.780(11.95~NE) |
), ArticleFig(id=1259565911023956692, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, language=EN, label=Tab.4, caption=
Age at pubertal onset stratified by BMI in children by genders/year
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| 青春期发育指标 | 是否超重肥胖 | P15(95%CI) | P25(95%CI) | P50(95%CI) | P75(95%CI) | P85(95%CI) |
| 男生睾丸容积 | 否 | 10.10(9.97~10.18) | 10.17(10.10~10.33) | 10.83(10.34~11.03) | 12.67(11.10~NE) | 12.67(11.14~NE) |
| 达到4 mL | 是 | 10.07(9.96~10.18) | 10.18(10.07~10.22) | 10.29(10.18~10.72) | 11.15(11.01~NE) | 11.95(11.10~NE) |
| 女生乳房发育进入 | 否 | 8.20(8.00~8.21) | 8.20(8.18~8.23) | 9.00(8.78~9.19) | 9.40(9.26~9.99) | 9.99(9.97~10.19) |
| Tanner Ⅱ期 | 是 | 7.68(7.52~7.85) | 7.73(7.68~7.99) | 8.18(7.95~8.23) | 8.54(8.52~8.86) | 9.02(8.54~9.33) |
), ArticleFig(id=1259565911162368725, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1259565860218352007, language=CN, label=表4, caption=
不同性别儿童青春期启动年龄的BMI分层描述/岁
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| 青春期发育指标 | 是否超重肥胖 | P15(95%CI) | P25(95%CI) | P50(95%CI) | P75(95%CI) | P85(95%CI) |
| 男生睾丸容积 | 否 | 10.10(9.97~10.18) | 10.17(10.10~10.33) | 10.83(10.34~11.03) | 12.67(11.10~NE) | 12.67(11.14~NE) |
| 达到4 mL | 是 | 10.07(9.96~10.18) | 10.18(10.07~10.22) | 10.29(10.18~10.72) | 11.15(11.01~NE) | 11.95(11.10~NE) |
| 女生乳房发育进入 | 否 | 8.20(8.00~8.21) | 8.20(8.18~8.23) | 9.00(8.78~9.19) | 9.40(9.26~9.99) | 9.99(9.97~10.19) |
| Tanner Ⅱ期 | 是 | 7.68(7.52~7.85) | 7.73(7.68~7.99) | 8.18(7.95~8.23) | 8.54(8.52~8.86) | 9.02(8.54~9.33) |
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