The quadruplet sisters, Autumn, Brooke, Calissa and Dahlia, born to Mr. and Mrs. J. P. Jepp began life with the odds stacked heavily against them. First, successful delivery of naturally conceived identical quadruplets occurs only once every 13 million births. According to Dr. Jamie Grifo of the NYU Fertility Center in New York, there are only 50 living sets of such twins in the entire world. More daunting, the Jepps are Canadians. That Karen and J. P. Jepp lived with their 2 year old son Simon in Calgary, Alberta presented a potentially life-threatening challenge Friday night when Mrs. Jepp began...