Berberoğlu M. Precocious Puberty and Normal Variant Puberty: Definition, etiology, diagnosis and current management - Review. J Clin Res Pediatr Endocrinol. 2009;1(4):164–74. https://pubmed.ncbi.nlm.nih.gov/21274291. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3005651. https://doi.org/10.4274/jcrpe.v1i4.3.

Juul A, Teilmann G, Scheike T, et al. Pubertal development in Danish children: Comparison of recent European and US data. Int J Androl. 2006;29(1):247–55. https://pubmed.ncbi.nlm.nih.gov/16466546. https://doi.org/10.1111/j.1365-2605.2005.00556.x.

Bräuner E V., Busch AS, Eckert-Lind C, Koch T, Hickey M, Juul A. Trends in the incidence of central precocious puberty and normal variant puberty among children in Denmark, 1998 to 2017. JAMA Netw Open. 2020;3(10):e2015665. https://pubmed.ncbi.nlm.nih.gov/33044548. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7550972. https://doi.org/10.1001/jamanetworkopen.2020.15665.

Kang S, Park MJ, Kim JM, Yuk JS, Kim SH. Ongoing increasing trends in central precocious puberty incidence among Korean boys and girls from 2008 to 2020. PLoS One. 2023;18(3):e0283510. https://pubmed.ncbi.nlm.nih.gov/36947549. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10032490. https://doi.org/10.1371/journal.pone.0283510.

Chioma L, Bizzarri C, Verzani M, et al. Sedentary lifestyle and precocious puberty in girls during the COVID-19 pandemic: An Italian experience. Endocr Connect. 2022;11(2): e210650. https://pubmed.ncbi.nlm.nih.gov/35029543. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8859940. https://doi.org/10.1530/EC-21-0650.

Chen Y, Chen J, Tang Y, et al. Difference of precocious puberty between before and during the COVID-19 pandemic: A cross-sectional study among Shanghai school-aged girls. Front Endocrinol (Lausanne). 2022;13:839895. https://pubmed.ncbi.nlm.nih.gov/35392135. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8979840. https://doi.org/10.3389/fendo.2022.839895.

Pires de Oliveira Neto C, Santiago de Sousa Azulay R, Pereira de Almeida AGF, et al. Differences in puberty of girls before and during the COVID-19 pandemic. 2022; 19(8):4733. https://pubmed.ncbi.nlm.nih.gov/35457600. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9031193. https://doi.org/10.3390/ijerph19084733.

Matsubara K, Higuchi S, Watanabe Y, Kitayama K, Yamada Y, Yorifuji T. Increased frequency of central precocious puberty during the coronavirus disease (COVID-19) pandemic at a single center in the Osaka Metropolitan Area of Japan. Clin Pediatr Endocrinol. 2023;32(1):58–64. https://pubmed.ncbi.nlm.nih.gov/36761494. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9887298. https://doi.org/10.1297/cpe.2022-0008.

Teilmann G, Pedersen CB, Jensen TK, Skakkebæk NE, Juul A. Prevalence and incidence of precocious pubertal development in Denmark: An epidemiologic study based on national registries. Pediatrics. 2005;116(6):1323–8. https://pubmed.ncbi.nlm.nih.gov/16322154. https://doi.org/10.1542/peds.2005-0012.

Stavridou A, Kapsali E, Panagouli E, et al. Obesity in children and adolescents during COVID-19 pandemic. Children (Basel). 2021;8(2):135. https://pubmed.ncbi.nlm.nih.gov/33673078. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7918914. https://doi.org/10.3390/children8020135.

Jenssen BP, Kelly MK, Powell M, Bouchelle Z, Mayne SL, Fiks AG. COVID-19 and changes in child obesity. Pediatrics. 2021; 147(5):e2021050123. https://pubmed.ncbi.nlm.nih.gov/33653879. https://doi.org/10.1542/peds.2021-050123.

Stagi S, De Masi S, Bencini E, et al. Increased incidence of precocious and accelerated puberty in females during and after the Italian lockdown for the coronavirus 2019 (COVID-19) pandemic. Ital J Pediatr. 2020;46(1):165. https://pubmed.ncbi.nlm.nih.gov/33148304. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7609833. https://doi.org/10.1186/s13052-020-00931-3.

Street ME, Sartori C, Catellani C, Righi B. Precocious puberty and COVID-19 into perspective: Potential increased frequency, possible causes, and a potential emergency to be addressed. Front Pediatr. 2021;9:734899. https://pubmed.ncbi.nlm.nih.gov/34616700. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8488256. https://doi.org/10.3389/fped.2021.734899.

Verzani M, Bizzarri C, Chioma L , Bottaro G, Pedicelli S, Cappa M. Impact of COVID-19 pandemic lockdown on early onset of puberty: Experience of an Italian tertiary center. Ital J Pediatr. 202;47(1):52. https://pubmed.ncbi.nlm.nih.gov/33673836. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7935003. https://doi.org/10.1186/s13052-021-01015-6.

Peinkhofer M, Bossini B, Penco A, et al. Reduction in pediatric growth hormone deficiency and increase in central precocious puberty diagnoses during COVID-19 pandemics. Ital J Pediatr. 2022;48(1):49. https://pubmed.ncbi.nlm.nih.gov/35346309. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8960104. https://doi.org/10.1186/s13052-022-01238-1.