IVF Success Rates: Understanding the Numbers

Posted on December 22, 2025 by Reproductive Biology Associates

When starting your fertility journey, one of the most common questions is: “What is the success rate of IVF?” Understanding these numbers can help you set realistic expectations and make informed decisions about your care.

What Do IVF Success Rates Mean?

IVF success rates measure the likelihood of achieving a live birth through in vitro fertilization. These rates are typically reported by cycle and can vary based on several factors, including age, health history, and clinic protocols. The most reliable source for national data is the Society for Assisted Reproductive Technology (SART), which collects and publishes verified clinic outcomes.

IVF Success Rates by Age

Age is one of the most significant factors influencing IVF success. Here’s a general overview:

  • Under 35: Success rates are highest in this group, often exceeding 40% per cycle.

  • Mid-30s (35–37): Rates begin to decline but remain strong, averaging around 30%.

  • Late 30s (38–40): Success rates drop further, typically between 15–20%.

  • Over 40: Chances decrease significantly, often below 10%, though options like donor eggs can improve outcomes.

These numbers are averages. Your personal success rate depends on your unique circumstances, including ovarian reserve, sperm quality, and overall health.

Why Success Rates Vary

It’s important to remember that success rates are not guarantees. They vary by individual and by clinic. Factors such as treatment protocols, lab quality, and personalized care can make a difference. That’s why choosing a clinic, like RBA, with transparency and experience matters.

RBA’s Commitment to Your Success

At Reproductive Biology Associates (RBA), we believe in honesty and individualized care. We provide clear information about success rates and work with you to create a treatment plan tailored to your needs. Our team combines advanced technology with compassionate support to give you the best possible chance for success.

Learn More About IVF Success Rates

For detailed information and to view RBA’s success data, visit https://www.rbafertility.com/fertility-services/ivf-success

You can also explore verified national statistics through https://www.sart.org.

Ready to take the next step? Contact RBA today to schedule a consultation and start your journey toward building the family you’ve dreamed of.

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