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.
Causes of Menstrual Back Pain. There could be three reasons for back pain during the womanâs menstrual cycle. This includes: Dysmenorrhea: When the uterus contracts sharply the result is cramping whether it be in the abdomen, upper thighs or back. This is one of the leading causes of back pain during the menstrual cycle.