IVF – In vitro Fertilisation
IVF stands for in vitro fertilization. It’s one of the more widely known types of assisted reproductive technology (ART). IVF works by using a combination of medicines and surgical procedures to help … Read More
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IVF – In vitro Fertilisation
How does IVF work?
IVF stands for in vitro fertilization. It’s one of the more widely known types of assisted reproductive technology (ART). IVF works by using a combination of medicines and surgical procedures to help sperm fertilize an egg, and help the fertilized egg implant in your uterus.
Firstly, you take medication that makes several of your eggs mature and ready for fertilization. Then the doctor takes the eggs out of your body and mixes them with sperm in a lab, to help the sperm fertilize the eggs. Then they put 1 or more fertilized eggs (embryos) directly into your uterus. Pregnancy happens if any of the embryos implant in the lining of your uterus.
IVF has many steps, and it takes several months to complete the whole process. It sometimes works on the first try, but many people need more than 1 round of IVF to get pregnant. IVF definitely increases your chances of pregnancy if you’re having fertility problems, but there’s no guarantee — everyone’s body is different and IVF won’t work for everyone.
There are five basic steps in the IVF and embryo transfer process:
• Step 1: Fertility medications are prescribed to stimulate egg production. Multiple eggs are desired because some eggs will not develop or fertilize after retrieval. A transvaginal ultrasound is used to examine the ovaries, and blood test samples are taken to check hormone levels.
• Step 2: Eggs are retrieved through a minor surgical procedure that uses ultrasound imaging to guide a hollow needle through the pelvic cavity to remove the eggs. Medication is provided to reduce and remove potential discomfort.
• Step 3: The male is asked to produce a sample of sperm, which is prepared for combining with the eggs.
• Step 4: In a process called insemination, the sperm and eggs are mixed together and stored in a laboratory dish to encourage fertilization. In some cases where there is a lower probability of fertilization, intracytoplasmic sperm injection (ICSI) may be used. Through this procedure, a single sperm is injected directly into the egg in an attempt to achieve fertilization. The eggs are monitored to confirm that fertilization and cell division are taking place. Once this occurs, the fertilized eggs are considered embryos.
• Step 5: The embryos are usually transferred into the woman’s uterus three to five days following egg retrieval and fertilization. A catheter or small tube is inserted into the uterus to transfer the embryos. This procedure is painless for most women, although
IVF can be used to treat infertility in the following patients:
• Blocked or damaged fallopian tubes
• Male factor infertility including decreased sperm count or sperm motility
• Women with ovulation disorders, premature ovarian failure, uterine fibroids
• Women who have had their fallopian tubes removed
• Individuals with a genetic disorder
• Unexplained infertility
not available currently