Similar to IVF or ZIFT, the initial few processes of GIFT are
Ovulation: The female is administered with medications to induce super-ovulation (producing more than 1 egg) and develop adequate endometrium lining. A constant monitoring of the follicular development (sacs that release egg) is done through blood checkup every 2-3 days. Once the ovulation is detected, the procedure to extract eggs is done.
Egg aspiration: Once the eggs are matured enough, the procedure involves retrieval of the eggs from the follicles using an ultrasound probe. This is done under the effect of anesthesia. Usually 10-15 eggs are retrieved where some are used for immediate fertilization and others are stored for future use, if any required.
The process from here differs to that of IVF and ZIFT
Fertilization and surgery: The extracted eggs and the provided sperm sample are carefully observed and mixed by the embryologist. The mixture is now placed on the catheter and inserted into the fallopian tubes through a small surgical process or laparoscopy, again under the effect of anesthesia. A small incision is made in the abdominal area for the same.
Implantation: The egg and the sperm mixture result in fertilization of at least one egg by the sperm, by luck, which results in the formation of embryo. The embryo later moves down into the uterus for further implantation. Since more than one egg and sperm are transferred into the mixture, chances of multiple births are also prominent.