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Early Puberty in Girls: Causes and Symptoms (massgeneral.org)
Reproductive Hormones | Endocrine Society
Transgender and Gender Diverse Children and Adolescents | Endocrine Society
https://www.tandfonline.com/doi/pdf/10.1080/26895269.2022.2100644
Pubertal blockers for transgender and gender diverse youth – Mayo Clinic
Young Adulthood – 20s | University of Utah Health
Male menopause: Myth or reality? – Mayo Clinic
Age and Fertility (reproductivefacts.org)
https://fenwayhealth.org/wp-content/uploads/Friday-Session-5a.pdf
The Role of Androgens and Estrogens on Healthy Aging and Longevity – PMC (nih.gov)
Postmenopause: Signs, Symptoms & What to Expect (clevelandclinic.org)
Gender-affirming treatment tied to better quality of life for older adults | Reuters
JCI – Testosterone replacement in aging men: an evidence-based patient-centric perspective
https://blog.insidetracker.com/changing-sex-hormones
https://academic.oup.com/biomedgerontology/article/67/11/1140/601987