“Are there people who later regret transition? Yes, but the data shows that the vast majority of people who pursue transition do not regret it. In the handful of studies conducted around this question, an average of about 2 percent of respondents express regret. A separate survey questioning why people detransition found the most common reason was social pressure, often from a parent. Many of those detransitioners retransitioned later, when it felt safe to do so.”
…
“The medicine we use to treat trans children today — often dubbed “experimental” — has, in actuality, been used to help trans youths transition with the support of parents and doctors since the mid-20th century.”
https://www.vox.com/policy-and-politics/23281683/trans-kids-transition-medicine-surgery