LASERS are helping embryos created in the test tube to “hatch” successfully
and reach the safety of the mother’s womb lining, say Hungarian fertility
specialists. The high-tech treatment has led to 134 births at one Budapest
hospital.
Pregnancy is often thwarted when IVF embryos fail to escape from the
surrounding zona pellucida after they are transplanted to the womb. So, just
before implanting embryos in the womb, Katalin Kanyo and Janos Konc of St John
Hospital in Budapest used 30-millisecond bursts from an infrared diode laser to
make a small opening in this covering shell. The holes help the embryos…
