It’s very important to have blood work done if you’re on HRT. You have to have it done more often when you first start out to make sure everything is going OK, then you can usually switch to getting tests once or twice a year. If you don’t get your blood work done then you could be at risk of liver damage or blood clots without knowing it, plus you wouldn’t know for sure if your E and T levels were in the right range.
If you talk to your doctor and tell them you have a needle phobia, they can prescribe anxiety medication for when you need to get blood drawn. I used to have a needle phobia as well, and I still need anxiety medication to get dental work done. It’s scary but you can do it! It will definitely be worth it for your health and happiness.