What Is Pelvic Pain? If you have pain below your belly button and above your legs, it counts as pelvic pain. It can be caused by a lot of things. It may be a harmless sign that youâre fertile, a digestive disorder, or a red flag that you need to go to the hospital.
Thyroxine-binding globulin (TBG) binds thyroid hormone in circulation. It is one of three proteins (along with transthyretin and albumin) responsible for carrying the thyroid hormones thyroxine (T4) and 3,5,3â-triiodothyronine (T3) in the bloodstream.Of these three proteins, TBG has the highest affinity for T4 and T3, but is present in the lowest concentration.t is one of three proteins (along with transthyretin and albumin) responsible for carrying the thyroid hormones thyroxine (T4) and 3,5,3â-triiodothyronine (T3) in the bloodstream. Of these three proteins, TBG has the highest affinity for T4 and T3, but is present in the lowest concentration.
What You Need to Know: Sex Hormone-Binding Globulin. 1  Optimal sex hormone status, including a healthy balance of testosterone and estrogen, is a core component of any anti-aging strategy. 2  New scientific evidence has revealed the crucial importance to hormone balance of a widely overlooked active protein called sex hormone-binding globulin or SHBG. SHBG is an important regulator of your testosterone and estrogen levels, responsible for distributing sex hormones throughout your bodyâyet few doctors test for it.