Word: egges
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...April scientists from Israel and the U.S reported a new finding that may offer yet another way to help infertile couples. It had long been assumed that there was no communication between egg and sperm until they collided in the Fallopian tube. But by closely watching the behavior of sperm in test tubes containing the fluid from an egg's follicular sac, an interesting effect was observed. A small number of sperm seemed to change their swimming patterns in response to chemicals secreted by the egg or cells around the egg...
Scientists in South Korea are on the verge of a breakthrough in a procedure doctors have been dreaming about for some time: the freezing and storage of unfertilized eggs. Sperm and embryos are regularly frozen for later use, but not eggs, which quickly lose their viability when manipulated outside the body. But Dr. Kwang Yul Cha, an endocrinologist at Cha Women's Hospital in Seoul, reports that his team has produced two pregnancies from eggs matured not in an ovary but in a Petri dish -- a major step in the eventual perfection of egg freezing. Many scientists expect that...
Mitchell's pregnancy represents one of the latest and most extraordinary achievements of infertility science. By treating his middle-aged patient with hormones, Dr. Mark Sauer, at the University of Southern California, was able to essentially reverse the effects of menopause. Using an egg from a young woman and artificial insemination with sperm from Mitchell's husband Donnie, Sauer was able to establish the pregnancy. Mitchell is not even Sauer's oldest patient. He is also helping a 55-year-old woman, who has a 30-year history of infertility and was too old for in vitro fertilization when...
...insights into the mating dance of egg and sperm offer hope for the infertile...
...asks youngsters, among other things: What did Little Miss Muffet sit on? What does a stomach do? Which is the biggest continent? Who was Louis Armstrong? The second-grade volume advances to questions about Robin Hood, the Great Wall of China, counting to 100 and the human sperm and egg...