Over a 35 year period beginning in 1969, he performed over 5000 sex reassignment surgeries, for transsexualism in the U.
A prepubertal girl in the supine frog-leg position with labial traction applied reveals crescentic hymen morphology.
Furthermore, no statistically significant differences were found between contraction patterns produced by study and control groups in terms of duration of orgasmic contractions, intraorgasmic amplitude changes, number of orgasmic contractions per series, mean intervals between the first four contractions, mean intervals between all contractions, or orgasmic heart rates.