Nhanes

I recently found out that in United States there are regular public health surveys that are done called NHANES, that include physical examinations (in fact, breast examinations and tanner staging was done in the past!): https://www.cdc.gov/nchs/nhanes/index.htm

Here are some interesting exam videos on body measurement (1 of 😎: https://www.youtube.com/watch?v=1ajuqBQOFXg

And here is a photo of a woman being examined as a participant back in the 80s:

https://collections.nlm.nih.gov/catalog/nlm:nlmuid-101447546-img

I’m not finding where you are seeing the data from the tanner staging. What section is it in?

Tanner staging was in NHANES III (and I think one of the really early ones).