Protein `Glue' May Bring Joy To Childless Couples
For the thousands of hopeful couples who try in vitro fertilization each year, the procedure's 85% failure rate can be emotionally and financially devastating. Although it's fairly easy to retrieve and fertilize an egg, problems begin once it's placed in the womb. There, the so-called conceptus often fails to attach to the uterine wall. Now, obstetrician Ronald F. Feinberg and pathologist Harvey J. Kliman, both of the University of Pennsylvania, have discovered a "glue" protein that may be the missing link.
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