China News Service, May 8 (Xinhua) The older a woman is when she becomes pregnant, the higher her chances of miscarriage and giving birth to a child with Down syndrome. According to foreign media reports, recently, a research team from Fujita Health University in Tozaki City, Aichi Prefecture, Japan released a study result explaining the cause of this phenomenon. Normally, when a woman ovulates, the egg cell divides twice to become an egg that can be fertilized. Egg cells contain elements from both sexes