Synthetic testosterone and Deca use in young men can lead to loss of fertility and significantly reduced sperm production or quality.

“there's a real concern about loss of fertility totally right I I think it brings up a larger point which is and obviously unbiased but I think it's super helpful for people to have a physician help them in this course particularly with testosterone it is just known that people get it from their trainers they're Bros from the gym right who were saying oh you got to use this I mean I have so many patients who were started using testosterone in their late teens early 20s goodness yeah that's I mean not goodness meaning Badness that does not seem like a good idea still very common like gracious still very common and you know one in particular this is probably 10 years ago came to see me he's 25 and to your point he said I'm ready to have kids I have zero sperm left right and that's a real thing and so he had been using and I would say abusing both testosterone and growth hormone for years”