https://www.youtube.com/watch?v=NRDrB_hLUlc
This video features six transgender and non-binary individuals who have undergone hormone replacement therapy (HRT) and are excited to share their voice chan

https://www.bu.edu/articles/2021/how-testosterone-changes-the-voices-of-trans-men/
In a first-of-its-kind study, led by a then-BU undergrad, trans men undergoing "T therapy" report that a masculine voice is of utmost importance to their identity. In spring 2015, Graham Grail, then a sophomore at Boston University, approached one of his professors with an idea. One day after class, he walked up to Carolyn Hodges-Simeon

https://goodmenproject.com/featured-content/trans-men-voice-is-key-outcome-of-testosterone-therapy/
Interviews with trans men undergoing testosterone (T) therapy reveal that the voice is one of the most profound and important physical changes they experience, say the researchers. In spring 2015

https://www.nature.com/articles/s41598-021-82134-2
Voice is one of the most noticeably dimorphic traits in humans and plays a central role in gender presentation. Transgender males seeking to align internal identity and external gender expression

https://www.bbc.com/news/newsbeat-65135841
One of the effects of the treatment - which is given to people diagnosed with gender dysphoria - is a deeper voice. That can be a worry if you depend on your voice to make a living.

https://transcare.ucsf.edu/article/information-testosterone-hormone-therapy
Overall, you may gain or lose weight once you begin hormone therapy, depending on your diet, lifestyle, genetics and muscle mass. Testosterone will cause a thickening of the vocal chords, which will result in a more male-sounding voice. Not all trans men will experience a full deepening of the pitch of their voice with testosterone, however.

https://www.healthline.com/health/testosterone-for-transgender
A number of physical, mental, and emotional changes are possible with testosterone therapy, such as: thicker, more oily skin. change in body odor. increased body sweat. redistribution of weight

https://www.bu.edu/articles/2021/how-does-testosterone-therapy-change-the-voices-of-transgender-men/
Cara Stepp, a Boston University scientist who specializes in studying the human voice and speech, plans to dive deep into researching how testosterone treatment impacts speech production in transgender men, with the help of a new five-year, $2.8 million grant from the National Institutes of Health (NIH). The groundbreaking research project will

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6790287/
Abstract. The purpose of this study was to comprehensively evaluate voice and speech changes in one healthy 30-year-old transgender male undergoing testosterone therapy for transition. Testing occurred at three timepoints before cross-sex hormone therapy and every two weeks thereafter for one year. Data collected included measures of acoustics

https://pubmed.ncbi.nlm.nih.gov/27643399/
The participants were seven transgender men naïve to testosterone therapy. All patients received two voice assessments at baseline and one assessment at 3, 6, 9, and 12 months while on intramuscular testosterone esters. Serum testosterone and estradiol concentrations were measured at baseline and every 3 months.

https://onlinelibrary.wiley.com/doi/pdf/10.1111/andr.12278
to perceive changes to his voice within 2 weeks of starting testosterone therapy. Up until recently, the lack of a prospective voice study of three or more transgender men with testosterone therapy likely relates to the paucity of transgender patients among most endocrinolo-gists and the need to collaborate with a speech and voice center (Irwig

https://pubs.asha.org/doi/10.1044/2017_JSLHR-S-16-0320
The purpose of this study was to prospectively examine changes in gender-related voice domain of pitch measured by fundamental frequency, function-related domains of vocal quality, range, and habitual pitch level and the self-perceptions of transmasculine people during their first year of testosterone treatment.

https://www.uclahealth.org/sites/default/files/documents/26/testosterone-info-english.pdf?f=58f86701
Increase in the size of the clitoris ("bottom growth"). Some people find that the way they experience orgasm or sexual pleasure changes. Changes that will likely reverse if testosterone treatment is stopped include: Skin becomes oilier and coarser. Increase in muscle mass and strength. This also depends on your diet and exercise.

https://pubmed.ncbi.nlm.nih.gov/28892815/
Purpose: The purpose of this study was to prospectively examine changes in gender-related voice domain of pitch measured by fundamental frequency, function-related domains of vocal quality, range, and habitual pitch level and the self-perceptions of transmasculine people during their first year of testosterone treatment. Method: Seven trans men received 2 voice assessments at baseline and 1

https://theconversation.com/how-trans-people-can-change-their-voice-to-suit-their-preferred-gender-52863
How trans people can change their voice to suit their preferred gender Published: April 10, 2016 4:03pm EDT • Updated: July 26, 2020 10:31pm EDT Jennifer Oates , La Trobe University

https://pubmed.ncbi.nlm.nih.gov/33568701/
Voice is one of the most noticeably dimorphic traits in humans and plays a central role in gender presentation. Transgender males seeking to align internal identity and external gender expression frequently undergo testosterone (T) therapy to masculinize their voices and other traits. We aimed to determine the importance of changes in vocal

https://www.refinery29.com/en-us/testosterone-effects-transgender-men-body
These can include: facial hair growth, body hair growth, increased muscle mass, a deeper voice, shifts in body fat from the hips and thighs to the abdomen, an increased sex drive, an enlarged

https://www.buzzfeednews.com/article/noornoman/transition-without-testosterone-masculinity
But the changes to your vocal cords are irreversible. For many trans men and transmasc people who use their voice to perform, taking T is the right choice; it is so deeply personal. But I couldn't bear the thought of not being able to sing with the voice that I have or potentially not much at all for a year while my body adjusted.

https://webcentral.uc.edu/eprof/media/attachment/eprofmediafile_4663.pdf
Abstract: The purpose of this study was to comprehensively evaluate voice and speech changes in one healthy 30-year-old transgender male undergoing testosterone therapy for transition. Testing occurred at three timepoints before cross-sex hormone therapy and every 2 weeks thereafter for 1 year.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9346330/
Another increasing testosterone-dependent group are transgender people looking for masculinization. These people are birth-assigned female but identify as male or non-binary. To induce virilization, testosterone therapy is prescribed. This includes deepening of the voice, increase in body and facial hair, and psychological and sexual changes .

https://my.clevelandclinic.org/health/treatments/gender-affirming-voice-therapy
Transgender women seek voice therapy more often than any other trans-identified population. If you're AMAB, the hormone testosterone causes physical changes that deepen your voice during puberty. Your vocal cords thicken, and muscles in your throat and voice box get bigger. These biological changes drop your voice frequency, or pitch.

https://www.today.com/health/gender-affirming-voice-therapy-rcna155629
Here's how it helps transgender and nonbinary people find their authentic voice. Gender-affirming voice therapy and surgery can be life-changing. IE 11 is not supported.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7876019/
Voice is one of the most noticeably dimorphic traits in humans and plays a central role in gender presentation. Transgender males seeking to align internal identity and external gender expression frequently undergo testosterone (T) therapy to masculinize their voices and other traits. We aimed to determine the importance of changes in vocal

https://www.msn.com/en-us/health/other/the-trans-folks-are-asking-does-testosterone-make-you-gay/ar-BB1nCzwT
So basically, it all depends on the individual, which isn't a very helpful answer but is nonetheless true. And Kai's original theory is certainly a fascinating one. "It does make so much

https://www.asra.com/news-publications/asra-updates/blog-landing/legacy-b-blog-posts/2024/06/25/the-role-of-the-anesthesiologist-in-caring-for-transgender-patients
The use of exogenous estrogen by transgender women can increase the risk of venous thromboembolism, vomiting, and headache. 5 Conversely, there is a potential increased risk of cardiovascular events in the perioperative period for patients on testosterone therapy, though the data are inconclusive. 6 Though many providers will recommend

https://medium.com/@ariagha/to-t-or-not-to-t-acbfe6d9a376
Since I will be taking these steps and there is so little research on vocal transitions in trans singers, I will be working with my voice teacher, Laura Hynes, to conduct a study documenting how