Difference between IVF & IUI

Difference between IVF & IUI

Intrauterine insemination (IUI) and in vitro fertilization (IVF) are two common fertility treatments used by couples struggling with infertility. While both methods aim to help couples conceive, they differ significantly in their processes, success rates, and complexity. Understanding the differences between IUI and IVF can help couples make informed decisions about which treatment option is best suited to their needs.

IUI (Intrauterine Insemination)

IUI, also known as artificial insemination, involves placing sperm directly into the uterus to increase the chances of fertilization. This procedure is often recommended for couples facing issues such as low sperm count, cervical mucus problems, or unexplained infertility.


  1. Ovulation Monitoring: Before the procedure, the woman’s ovulation cycle is closely monitored using ultrasound scans and blood tests to determine the optimal time for insemination.
  2. Sperm Preparation: The sperm sample, either from the partner or a donor, is washed and concentrated to separate healthy sperm from seminal fluid and other debris.
  3. Insemination: The prepared sperm is then inserted directly into the woman’s uterus through a thin catheter, which is painless and usually done in a doctor’s office.

Success Rates:

Success rates for IUI vary depending on factors such as the woman’s age, the cause of infertility, and the quality of sperm used. On average, the success rate per cycle ranges from 10% to 20%, with higher success rates seen in younger women and those with fewer fertility issues.


IUI is generally less expensive than IVF, making it a more accessible option for couples seeking fertility treatment. However, multiple cycles may be needed to achieve pregnancy, increasing overall costs.

IVF (In Vitro Fertilization):

IVF is a more complex fertility treatment that involves fertilizing an egg with sperm outside the body in a laboratory setting. The resulting embryo is then transferred into the woman’s uterus, where it may implant and develop into a pregnancy.


  1. Ovarian Stimulation: The woman undergoes hormonal therapy to stimulate the ovaries to produce multiple eggs instead of the usual one egg per menstrual cycle.
  2. Egg Retrieval: Once the eggs reach maturity, they are retrieved from the ovaries using a minor surgical procedure performed under sedation.
  3. Fertilization: The retrieved eggs are then fertilized with sperm in a laboratory dish to create embryos.
  4. Embryo Transfer: After a few days of development, one or more embryos are transferred into the woman’s uterus using a thin catheter.
  5. Implantation and Pregnancy: If implantation occurs, the embryo will develop into a pregnancy.
Success Rates:

IVF generally has higher success rates compared to IUI, especially for couples with more complex fertility issues. Success rates can vary widely depending on factors such as the woman’s age, the quality of embryos transferred, and the clinic’s expertise. On average, the success rate per cycle ranges from 50% to 70%, with higher success rates seen in younger women.


IVF is more expensive than IUI due to the complexity of the procedure and the need for specialized equipment and laboratory facilities. Costs can include fertility medications, monitoring, procedures, and laboratory fees. Despite the higher cost, many couples are willing to invest in IVF due to its higher success rates and potential for achieving pregnancy more quickly.


When deciding between IUI and IVF, couples should consider various factors, including:

  • The underlying cause of infertility
  • The woman’s age and ovarian reserve
  • Previous fertility treatments and their outcomes
  • Financial considerations and insurance coverage
  • Emotional and psychological readiness for more invasive treatments


Both IUI and IVF are valuable fertility treatments that can help couples achieve their dream of having a baby. While IUI is less invasive and more affordable, it may not be suitable for couples with certain fertility issues. IVF, although more expensive and complex, offers higher success rates and may be the best option for couples facing more significant challenges conceiving. Ultimately, the choice between IUI and IVF should be made in consultation with a fertility specialist who can provide personalized recommendations based on the couple’s unique circumstances and preferences.

If you’re considering IVF or IUI, meet Bareilly’s best IVF specialist, Dr. Shabina Khan, at Sunrise IVF Centre, near 100 Fita Mod, Pilibhit Bypass Road, Bareilly. You can contact them at 8630268144.

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