A true question that ALL women want answered. Mittleschmertz was named after the famous OBGYN, Dr. Edward Von Mittleschmertz. The "period" (no pun intended) before ovulation when the females' Graafian Folicle bursts releasing a strong, overpowering flow of menstrual fluid consisting of blood, mucus, and sometimes tears. A slight pain is felt by the mestruator whilst the sac is bursting.
"Oh Glory Charles! I cannot sit through this world championship newt battle royal any longer. I think I just felt my mittleschmertz!