Resources
Here are some of the resources used to research this information. They can also be used to fuel further information gathering!!
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https://www.ippf.org/blogs/period-products-what-are-options
https://my.clevelandclinic.org/health/articles/9118-female-reproductive-system
https://my.clevelandclinic.org/health/articles/9117-male-reproductive-system
https://www.healthymale.org.au/mens-health/male-hormones
https://www.webmd.com/sex-relationships/guide/male-reproductive-system#1
https://www.healthline.com/health/female-sex-hormones#puberty
https://www.healthline.com/health/pregnancy/how-long-does-ovulation-last#ovulation-and-pregnancy
https://www.peelregion.ca/health/sexuality/pdf/CDS-0179-GrowingUp-nov2011.pdf
https://www.stanfordchildrens.org/en/topic/default?id=puberty-adolescent-male-90-P01636
https://www.healthline.com/health/parenting/stages-of-puberty
https://www.hopkinsallchildrens.org/ACH-News/General-News/The-Stages-of-Puberty-for-Girls
https://www.plannedparenthood.org/learn/teens/puberty
https://kidshealth.org/en/teens/puberty.html
https://www.hormone.org/your-health-and-hormones/glands-and-hormones-a-to-z/hormones/testosterone