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(From AScribe)
ROCHESTER, Minn. -- A new Mayo Clinic study shows that couples using in vitro fertilization have the same likelihood of successful pregnancy whether the sperm used is frozen or fresh. Researchers presented the results today at the annual scientific meeting of the American Urological Association in San Francisco.
"Without these data, we were concerned that frozen sperm might reduce the birth rate," says Alan Thornhill, Ph.D., senior author of the study and director of the Mayo Clinic in vitro fertilization laboratory. "Now, we believe that concern is unwarranted."
In vitro fertilization starts with a woman taking fertility drugs to …