In vitro fertilization is the most common type of assisted reproductive technology (ART). It is the process of fertilization where an egg is combined with sperm outside the body. This fertilized egg is known as embryo. Once the eggs are fertilized, the embryos are placed in the women’s uterus. A colloquial term for babies conceived as the result of IVF, is “test tube babies”.
IVF is used to treat infertility caused by many different problems such as:
Following are the stages involved in IVF:
This involves ovarian reserve testing, hysteroscopy.
Normally, a woman produces one egg during each menstrual cycle. In IVF fertility drugs are given to stimulate the ovaries to produce more than one egg per cycle, this increases the chance of success with treatment. These drugs may include gonadotropin releasing hormone agonists (GnRHa), Pergonal, Clomid, or human chorionic gonadotropin (hcg). Regular blood tests and ultrasounds are needed during this time to keep track of egg production.
It’s a surgical procedure performed with anesthesia. During this process eggs are removed from a woman’s ovaries using a needle. A very thin needle is passed into each ovary to remove the egg and fluid out of each follicle. It usually takes 10-30 minutes and the recovery will take about 30 minutes. Medication may be provided to reduce the discomfort.
Once the eggs are removed, they are mixed with sperm in a laboratory dish. This process of mixing the egg and sperm is called insemination. Sometimes the sperm is directly injected into the egg; this is called intracytoplasmic sperm injection (ICSI). The eggs are monitored to confirm that fertilization and cell division are taking place. After fertilization happens, the eggs develop into embryos.
In the final step, embryos are examined, selected and transferred.This normally occurs three to five days after fertilization. Under ultrasound guidance, a thin long catheter containing the embryos is passed through the cervix into the uterus. About 1-3 embryos are transferred into the woman’s uterus. It is generally painless and involves no anesthetic. Pregnancy occurs when the embryo attach itself to the uterine lining. Two weeks after the embryo transfer, pregnancy test is scheduled to determine if the procedure was successful.
After the IVF process is complete, bed rest is often advised for around 24 hours.Any kind of vigorous activities should be avoided. Mild cramping and pelvic discomfort are also very common.
Patient may experience lower abdominal pain or bloating following the embryo transfer.
IVF is generally safe, but as with any medical procedure, there are risks.The possible risks and side effects associated with IVF are:
Generally, IVF treatment has excellent success rates.The success rate of IVF depends on number of factors which include age, health, infertility cause, uterine lining, and lifestyle factors. The chance of getting pregnant is higher for women younger than 35 years and lower for older women. IVF will not work for a woman who is not capable of ovulating or a man who is not able to produce at least a few healthy sperm.
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