Glossary of Terms

Assisted Hatching - Using very fine tools under a microscope, a small opening is created in the shell of the fertilized egg in the laboratory to assist in embryo implantation.

Donor Egg Program - For women unable to produce their own eggs, eggs may be donated by another woman after ovarian hyperstimulation and used during an IVF cycle.

Donor Semen Program - Sperm may be obtained from a donor bank and inseminated at the time of ovulation.

Embryo Cryopreservation -  Embryos from one cycle may be frozen, stored and successfully thawed for use in another cycle.

Gamete Intra-fallopian Transfer (GIFT) - After ovarian hyperstimulation, eggs are removed from the ovaries by laparoscopy, mixed with sperm in the laboratory and immediately transferred to the fallopian tubes where fertilization occurs within the woman's body.

Intracytoplasmic Sperm Injection (ICSI) - Using very fine tools under a microscope in the laboratory, a single sperm is injected into a single egg to aid in fertilization.

In Vitro Fertilization (IVF) - After ovarian hyperstimulation, eggs are removed from the ovaries with a needle through the vagina and mixed with sperm in the laboratory where fertilization occurs.  Several days later, the embryos are transferred through the cervix into the uterus.

Semen Cryopreservation - Sperm may be successfully frozen and thawed for use at a future date.

Zygote Intra-fallopian Transfer (ZIFT) -  After ovarian hyperstimulation, eggs are removed from the ovaries with a needle through the vagina and mixed with sperm in the laboratory where fertilization occurs. One day later, the embryos are transferred directly into the woman's fallopian tubes by laparoscopy.

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