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.
1. Period Pain. Dysmenorrhea, the medical term for menstrual cramps, causes pain due to the shedding of the uterine lining during your period. It happens to 50 percent of women and is the result of excessive amounts of prostaglandin â a hormone involved in pain and inflammation.