not true lol. he will always have a male body. males who take estrogen are stronger than females who take testosterone, even after years of it. after trans-identifying men (tims, i.e. biological men) and trans-identifying women (tifs , i.e. biological women) both underwent 12 months of cross sex hormone therapy, tims still ended up being stronger than tifs, in both absolute and height adjusted values   le/105/3/e805/5651219 tim retain greater muscle strength than women even after 36 months of hormone therapy    865  the biological advantage that tim have over women is only minimally reduced when testosterone is suppressed as per current sporting guidelines for transgender athletes   ticles/pmc7846503/ "trans-identifying men still had a 9% faster mean run speed after the 1 year period of testosterone suppression that is recommended by world athletics for inclusion in womens events."   577.full?ijkey=yjlczzvzfrdzzhz&keyt ype=ref [biological] women have smaller conducting airways than men, even when matched for lung size. this is important when considering the principles of airflow [...]"   /full/10.1152/advan.00118.2006 men have significantly greater left ventricular mass and chamber size than women. because the left ventricular ejection fraction is the same in both sexes, the stroke volume is larger in men than in women.   /full/10.1152/advan.00118.2006
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