Serpentine, also known as New Jade, derives its name from the Latin word serpentis meaning snake like referring to the resemblance these green stones have to snake skin. This stone was used by the Romans to protect them from sorcery and was believed to protect against parasites, snakebite, venom and poison.
Sharp, stabbing pain near coccyx during period. Patient : I'm a fourteen year old girl, my periods are normal, and I don't have any medical problems. My period started yesterday, and almost exactly when my period started, a sharp, almost stabbing pain began near my coccyx area. It's like in the middle of my tailbone.
Coccydynia is the medical term for tailbone pain. The tailbone, the coccyx is made up of 5 small bones below the spine's sacrum that are tail-like in appearance. There is no definitive cause for coccydynia. However, trauma from falling or being bumped, repetitive action (extensive bike riding or rowing), or childbirth can cause tailbone pain.