Objective: We sought to determine whether the use of talc in genital hygiene increases the risk for epithelial ovarian cancer. Methods: We interviewed 235 white women diagnosed with epithelial ovarian cancer between 1984-1987 at ten Boston metropolitan area hospitals and 239 population-based controls of similar race, age, and residence.
Talcum powder is the refined, powdery form of the softest mineral on earth: talc. Talc is an "inert" ingredient, meaning it does not generate a chemical reaction when ingested or used on the skin. People have taken advantage of its natural smoothness, safety and absorbency since ancient Egyptian times. 1.
· Mining activity: The gypsum is high grade and analytically compares favourably with that mined in Europe and the USA. There are some small operating quarries at Bir Eit. Approximately 10000 – 25000 tons of gypsum is annually sold to the cement factories. There is a potential market in the Sudan for calcined gypsum.