Trans kids on puberty blockers maintain pretty stable bone density during a period when cis kids rapidly gain bone density. Researchers conclude "there was no significant change in [bone density]," further scans are not needed, and trans kids should have their own reference group https://twitter.com/will_malone/status/1148000551608750080 …
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Replying to @webdevMason
As far as I can tell trans kids are significantly safer on cross sex hormones and nearly everyone on blockers eventually takes cross sex hormones and the standard of care is actively more dangerous for no good reason.
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Replying to @KelseyTuoc
Of course, at that point you have 12-year-olds making decisions for their adult selves *way* beyond their pay grade, like "I will never have a biological child." I don't feel remotely qualified to suggest how these tradeoffs should be made, but it baffles me that other people do
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Replying to @webdevMason @KelseyTuoc
(Reader note: not all trans people are infertile, even after years of treatment with cross-sex hormones. But if you don't go through puberty, your gametes do not mature, and we currently have no reproductive tech that can do anything with immature gametes.)
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Replying to @webdevMason
I think nearly all trans kids have mature gametes by the time they start blockers or cross-sex hormones? Gametes mature early, thus how some ten-year-olds can get pregnant. Definitely agree we should automatically preserve gametes as part of the standard of care for trans kids.
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Replying to @KelseyTuoc
Nope, neither males nor females produce mature gametes sans puberty. Some children become pregnant at age 10 because some children go through puberty prior to age 10.
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Replying to @webdevMason
https://www.ncbi.nlm.nih.gov/pubmed/28161526 says that 91% of trans girls and 96% of trans boys in their sample had gametes mature enough for preservation.
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Replying to @KelseyTuoc
"Five children were prepubertal, no hormone therapy was considered, and they were therefore excluded." It sounds like their inclusion criteria excluded children who had not gone through puberty.
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Replying to @webdevMason
I parsed that as their criteria excluded children for whom hormone therapy was not being considered. If hormone therapy is not considered until puberty has begun, and most kids at the stage where hormone therapy is considered have mature gametes, then that's the pop we care about
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FWIW, it's exceedingly dofficult to figure out what clinicians are actually doing, the guidelines that call for Tanner stage 2 development do *not* indicate mature gametes, and many of these kids are rendering themselves infertile for life. I'm really uncomfortable with this.
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Replying to @webdevMason @KelseyTuoc
AFAICT, spermarche occurs at variable Tanner stages, but often not prior to Tanner stage 3; menarche is typically at Tanner stage 4. I keep trying to not throw myself back into this because there is absolutely nothing for me to gain here, but it is what it is.
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Replying to @webdevMason @KelseyTuoc
Truth be told, there is one correct answer, Kelsey, and you already have it.
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