It is an open operation done using an operating microscope. This technique is used in men who have no sperm in the semen. It is a condition caused by an obstruction in the tube that carry sperm from the testicles to the penis (known as vas deferens). Men who have a vasectomy may also be a candidate for MESA.
The cryopreserved embryos can be transferred in a natural cycle or a hormone assisted cycle.
Natural Cycle: Women with regular menstrual cycle can opt for the natural cycle of embryo replacement. The process may include various tests such as:
The woman needs to be prepared for the procedure. No drugs are used in a natural cycle. Ovulation is confirmed by monitoring ultrasound scans.
Hormone Assisted cycle: In the hormone assisted cycle, tablets are prescribed in order to make the uterine receptive to the embryos. To check the thickness of the uterine line, regular monitoring will be required. Embryos will be transferred when the lining gets ready.
FERC is a procedure that has various advantages. The first and foremost thing is that, it is cost-effective. The procedure also increases the pregnancy rate and the ovaries need not be stimulated all the time.
The procedure is usually carried out under general anesthesia by a consultant urologist. A small incision will be made in the scrotum to open the epididymis. After that, the sperm will be removed. If the epididymis is absent or blocked, sperm will be retrieved from the testicles. A large number of sperm can be retrieved through this technique. The sperm will be frozen and preserved for further use. This technique does not have any risks associated. The recovery time required is very less.