The analysis showed that transwomen -- individuals assigned male sex at birth but with female gender identity who were receiving hormones as part of their transition -- had more than twice as many strokes as women (29 versus 12) and nearly twice as many strokes as men (29 versus 16). There were five times as many deep-vein clots among transwomen (73) than women (13) and 4.5 times more than men (73 versus 16). Heart attacks occurred at more than twice the rate among transwomen (30) than women (13). Transmen--those assigned female sex at birth but who had male gender identity and received hormones -- had a more than three-fold elevation in heart-attack risk compared with women (11 versus 3