Sometimes hormone therapy does the trick, but many infertile couples require more sophisticated manipulation of sperm and eggs. Among the techniques that offer the greatest hope for success:
In vitro fertilization
HOW THEY DO IT A woman's eggs are extracted and mixed with her partner's sperm in a Petri dish. The resulting embryo is transferred to her uterus through the cervix
POPULARITY At least 60,000 IVF procedures are performed in the U.S. annually, with an average birthrate of 25%
ICSI (intracytoplasmic sperm injection)
HOW THEY DO IT To counteract problems with sperm count, quality or mobility, doctors inject a single sperm...