Some bodybuilders and athletes use trenbolone esters for their muscle-building and otherwise performance-enhancing effects.  Such use is illegal in the United States and many other countries. The DEA classifies trenbolone and its esters as Schedule III controlled substances under the Controlled Substances Act .  Trenbolone is classified as a Schedule 4 drug in Canada  and a class C drug with no penalty for personal use or possession in the United Kingdom .  Use or possession of steroids without a prescription is a crime in Australia .  The infamous "duchess" cocktail allegedly administered to Russian athletes at the Sochi Winter Olympics consisted of oxandrolone , a metenolone ester, and a trenbolone ester. 
Is it possible for PF muscles to ever fix themselves in relation to us fixing poor habits? For a while after my son was born, whenever I would stand for long periods of time, it felt like all the blood was rushing down to my perineum, and I would have this painful burning sensation in my lower back. I hadn’t found this gem of a site at that point, and was probably doing 100+ kegels daily, trying to be diligent and stay tuned. *hah* After finding this site, squatting, walking 4+ miles daily, and giving up on kegels, (My apologies to the queen!) I no longer experience that pain. I always thought it was just time more fully healing my body, but could these changes have been my body self correcting as I learn better habits?