How Many Cycles of IUI Are Usually Successful?

For couples struggling with infertility, Intrauterine Insemination (IUI) is often recommended as one of the first assisted reproductive techniques. It is less invasive, more affordable compared to IVF, and can be a promising option for many.

Understanding IUI Success Rates

The success of IUI depends on multiple factors such as age, underlying fertility issues, sperm quality, and the use of fertility medications. On average, the success rate of IUI ranges between 10% to 20% per cycle for women under 35.

• Women under 35: 15–20% success per cycle
• Women 35–40: 10–12% success per cycle
• Women over 40: 5–7% success per cycle

How Many IUI Cycles are Recommended?

Studies show that most pregnancies through IUI occur within the first 3 to 4 cycles. If conception does not happen after 3–6 cycles, doctors often recommend exploring advanced treatments like IVF.

• 1st to 3rd cycle: Higher chances of success
• 4th to 6th cycle: Chances reduce, but some couples still succeed
• Beyond 6 cycles: Very low success; IVF may be suggested

Factors That Influence Success

1. Age of the woman – Younger women have better outcomes.
2. Fertility drugs – Stimulated cycles may increase chances compared to natural cycles.
3. Cause of infertility – IUI works best in cases of unexplained infertility, mild male factor infertility, or cervical issues.
4. Lifestyle factors – Healthy diet, stress management, and avoiding smoking/alcohol also improve results.

When to Consider IVF After IUI

If IUI cycles repeatedly fail, especially after 3–6 attempts, couples should discuss with their fertility specialist about moving to IVF. IVF offers higher success rates and is more effective for complex fertility issues like blocked tubes or severe sperm problems.

SCI IVF Hospital is considered the best IUI treatment centre in Delhi, offering couples expert guidance, advanced reproductive technology, and compassionate support throughout their parenthood journey. From accurate diagnosis to personalized treatment, experienced doctors work to maximize the chances of success.

Conclusion

Most pregnancies through IUI occur within the first 3 to 4 cycles. While it is an affordable and less invasive option, its success depends on age, health, and underlying infertility causes. Couples are encouraged to consult the best fertility specialists to decide the right number of IUI attempts before moving to advanced treatments like IVF.