Infertility is a challenge that many couples face and it can affect both men and women. There are various reasons for infertility, such as hormonal imbalances, low sperm count, blocked fallopian tubes, and more. When other treatments like medication or intrauterine insemination (IUI) fail, many turn to in vitro fertilization (IVF). IVF is a process where eggs are fertilized outside the body, and the resulting embryo is then implanted in the uterus. It is one of the most successful fertility treatments available today, although success can depend on factors like age and overall health. While IVF brings hope to those struggling with infertility, it is important to know everything about the process before you decide to try it.
In vitro fertilization or IVF is a popular assisted reproductive technology (ART) used to help couples struggling with infertility. It involves retrieving eggs from a woman’s ovaries and fertilizing them with sperm outside the body. The resulting fertilized egg, called an embryo, can be stored or implanted into the woman’s uterus to become pregnant. IVF is usually recommended after a year of failed attempts to get pregnant. It can also help prevent genetic disorders from being passed on to the child. One IVF cycle usually takes up to 2-3 weeks. Although IVF is the most successful fertility treatment, its success relies on factors such as age and the underlying cause of infertility.
In vitro fertilization (IVF) is often used to help individuals with infertility or genetic disorders who wish to conceive or have a baby. Since IVF is costly and invasive, couples usually try other treatments first, like fertility drugs or intrauterine insemination (IUI). According to the Mayo Clinic, IVF may be required for a number of reasons for infertility, including:
IVF provides a solution when other options have not been successful.
There are five steps involved in IVF, according to the Johns Hopkins Medicine:
A woman normally produces one egg per cycle, but IVF requires multiple eggs for the best chances of success. Fertility medications are prescribed to stimulate the ovaries to produce more eggs. During this stage, the woman will undergo regular blood tests and ultrasounds to monitor hormone levels and check the development of the ovaries. This ensures that the eggs are growing properly.
Egg retrieval, or follicular aspiration, is a minor surgical procedure performed under anesthesia. The doctor uses an ultrasound wand to guide a needle through the vagina and into the ovaries. The needle suctions the eggs from the follicles. Afterward, the woman may experience mild cramping or a feeling of fullness, which typically goes away within a day. The retrieved eggs are placed in a special liquid to help them mature and are prepared for fertilization.
Also read: Stop believing these common IVF myths
The male partner provides a semen sample, which is then combined with the eggs in a petri dish in the laboratory. This process is known as insemination. The fertilization process occurs naturally when sperm enters the egg within a few hours. If fertilization is unlikely, a technique called intracytoplasmic sperm injection (ICSI) may be used, where a single sperm is injected directly into an egg. The fertilized eggs are then stored in a controlled environment for proper development.
Once fertilization occurs, the embryos are monitored to ensure they are dividing and growing properly. Over the next few days, the embryos will develop into several cells. By day five, the healthiest embryos will have formed and will be ready for transfer.
Once the embryos have developed enough, one or more are selected for transfer into the woman’s uterus. This procedure is typically done three to five days after fertilization. A thin tube called a catheter is inserted through the vagina, past the cervix and into the uterus, where the embryos are gently released. The number of embryos transferred depends on various factors, especially the woman’s age. Multiple embryos can lead to the possibility of twins, triplets, or more.
If the IVF process is successful, the embryo will implant into the uterine lining about 6 to 10 days later. A blood test will confirm if you are pregnant.
To prepare for in vitro fertilization, you will need a thorough medical evaluation and fertility tests before IVF. Both you and your partner will be tested. Some of the key preparations include:
The success rate of IVF varies based on several factors. For women under age 35, the live birth rate is around 41-43 percent, according to the American Pregnancy Association. However, for women over 40, this rate drops to 13-18 percent. Key factors influencing success include:
Younger women tend to have higher success rates. IVF is usually not recommended for women over 42 due to lower chances of success. Maintaining a healthy weight and avoiding alcohol, smoking, and caffeine may improve IVF outcomes.
IVF treatments can fail for several reasons, including:
Each step of the IVF process can impact the outcome, and failure can occur at any stage. Your healthcare provider will review the process with you to identify the cause and determine the best course of action for future treatments.
IVF, like any medical procedure, carries risks and potential complications, suggests the National Health Service. These include:
Additionally, side effects from the procedure may include cramping, bloating, nausea, tender breasts, headaches, and hot flashes. Rarely, bleeding, infection, or organ damage can occur from the egg retrieval needle.
IVF involves fertilizing eggs outside the body and then transferring the embryo into the uterus. IUI (intrauterine insemination) involves directly placing sperm into the uterus during ovulation to increase the chances of fertilization. IVF is typically recommended for more complex infertility issues, while IUI is often used for less severe fertility problems.
No, infertility can affect both men and women. Women may face issues like hormonal imbalances, while men may have problems such as low sperm count or sperm quality.
IVF is generally safe, but like any medical procedure, it carries some risks, including ovarian hyperstimulation syndrome (OHSS), multiple pregnancies, or infection. However, it is closely monitored to minimise complications.
While IVF does not directly cause birth defects, there may be a slightly higher risk for certain conditions, especially in older women or with multiple pregnancies. However, most babies born through IVF are healthy.
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