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In Vitro Fertilization

 

 




   

 

 

In Vitro Fertilization and GIFT

In vitro fertilization (IVF) and gamete intrafallopian transfer (GIFT) are technical and complex procedures used in the treatment of infertility. Each procedure has its advantages and disadvantages, which are discussed in detail during the course of each patient's evaluation.

IVF is now used as a first line treatment for many conditions including moderate to severe damage of the fallopian tubes, cases of advanced female age, and moderate to severe male factor. Even though IVF is a first line treatment, it will be required by less than 10% of patients.

GIFT is rarely used because it requires placement of the gametes (egg and sperm) in the end of the fallopian tube, which requires a laparoscopy. This makes GIFT a more expensive procedure and the success rates are no better. GIFT is used when a couples religious values dictate that fertilization must occur "inside the body".

Patients undergoing assisted reproductive technology (ART) procedures receive daily injections of follicle stimulating hormone (FSH) to stimulate the growth of many follicles each of which contains an egg. More eggs are needed because some are invariably damaged when handled during the ART procedure.

IVF FolliclesPatients usually administer FSH subcutaneously at home. Lupron is also administered to prevent premature ovulation, which could result in the "loss" of a stimulation cycle. It is necessary to come to our office during the stimulation for ultrasound and estradiol measurements. Dosage adjustments are made based upon the results for these tests.

Once the eggs are mature, an injection of hCG is given to complete maturation of the egg (s). The body does not differentiate between hCG and luteinizing hormone (LH). LH is the hormone that stimulates ovulation in a normal menstrual cycle.

Sometimes a woman's eggs will not mature and fertilize due to factors such as reduced ovarian reserve due to age or other conditions. These patients are candidates for our donor egg program, which is discussed in the "Donor Egg" section of our Web site.Eggs

Approximately 36 hours after the hCG injection, the eggs will be retrieved, usually by transvaginal guided needle aspiration, or rarely by laparoscopic retrieval. With GIFT, the eggs and sperm will be transferred into the fallopian tube, and any extra eggs could be fertilized for embryo cryopreservation (freezing) for use in a future cycle.

In an IVF cycle, the eggs are fertilized and placed in an incubator until mature and ready for transfer, usually three to five days. Again, extra embryos could be cryopreserved for future use.

Sometimes micromanipulation procedures such as intracytoplasmic sperm injection (ICSI) are need, especially in cases of moderate to severe male factor infertility. If ICSI is performed, a single sperm will be injected into each egg prior to placing them in the incubator.

Assisted Hatching is another procedure that can be used for previous failure of fertilization, advanced maternal age, or in other select groups of patients. In assisted hatching, a small "hole" is made in the membrane surrounding the embryo using acid Tyrode's solution, a small needle, or a laser. This does not harm the embryos and sometimes helps them "break out of their shell" and attach to the uterine lining.

After the embryo transfer patients' activities are restricted for a period of time. There will be restrictions on activities such as intercourse, aerobics, and strenuous activities.

All ART patients receive in depth education on their procedures from our nursing staff and Dr. Cooper. We do this using reading material, consultations, and personal contact with the staff.

IVF patients coming from other programs should send their records from previous physicians. It is best if we receive these records prior to the first visit. However, patients are seen without these records but it sometimes delays the treatment process.

 

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