Sperm DNA fragmentation testing and miscarriage: what the new guidelines mean
When couples come to us after experiencing multiple miscarriages, the instinct is often to focus testing on the woman. It makes sense, but it’s only half the story. At The Fertility Center of Las Vegas, we’re placing growing emphasis on a factor that’s just as important: sperm DNA fragmentation testing, which looks closely at the health of the sperm itself.
What is sperm DNA fragmentation testing?
Sperm DNA fragmentation testing measures exactly what it sounds like: how fragmented, or broken, the DNA inside sperm is. This damage doesn’t necessarily affect a couple’s ability to conceive. What it can affect is whether a pregnancy continues to develop normally once it’s established.
In other words, fragmented sperm DNA may not stop conception, but it can play a role in whether a woman stays pregnant.
Results are typically reported as a DNA fragmentation index, or DFI, which reflects the percentage of sperm with damaged genetic material. Our physicians can walk you through what your specific DFI result means for your situation.
Why sperm DNA fragmentation testing matters now
Sperm DNA fragmentation testing has existed for years, but its role in fertility treatment wasn’t always clear. That’s changing. The American Society for Reproductive Medicine (ASRM) recently updated its guidance on recurrent pregnancy loss, and now recommends this testing — often referred to as recurrent pregnancy loss male factor testing — for couples who’ve experienced miscarriage. Dr. Carrie Bedient discussed this shift, along with the science behind it, in a recent Scientific American feature on sperm DNA damage and repeated miscarriage.
The goal of testing is to determine whether there’s more a couple can do to optimize sperm health, giving them additional tools as they work toward building their family.
This isn’t about blame
One of the most important things to understand about sperm DNA fragmentation testing is what it isn’t. It isn’t a way to assign fault after a difficult loss. It’s a way to look at the full picture, identify what can be adjusted, and help couples move closer to the family they’re working toward.
Treatment options after sperm testing
Couples researching sperm DNA fragmentation and IVF, or sperm DNA fragmentation and ICSI specifically, often want to know what comes next after a high result. The good news is that there are several paths forward.
If elevated sperm DNA fragmentation is found, our physicians can discuss personalized treatment approaches (including testicular sperm extraction and IVF using ICSI) based on the individual couple’s situation and history. Because sperm regenerate on an ongoing basis, there are often meaningful steps that can be taken to help improve sperm health before the next treatment cycle.
Frequently Asked Questions
Does insurance cover sperm DNA fragmentation testing?
Coverage varies by plan and provider. Our team can help verify your specific benefits and walk you through your options during a consultation.
Is sperm fragmentation testing only for couples with a diagnosed male-factor infertility issue?
No. The updated ASRM guidance specifically recommends this testing for couples experiencing recurrent pregnancy loss, regardless of whether a male-factor diagnosis has already been made.
Does sperm DNA damage affect IVF success?
It can. Research has linked elevated sperm DNA fragmentation to lower fertilization rates, slower embryo development, and reduced pregnancy rates in some IVF cycles. ICSI may help offset some of this impact, and in certain cases, our physicians may discuss options like testicular sperm extraction to help improve outcomes. Every couple’s situation is different, so we recommend discussing your specific results and treatment plan with your physician.
Talk to our team about getting tested
If you and your partner have experienced recurrent pregnancy loss, male fertility testing, and sperm DNA fragmentation testing specifically, may offer valuable insight into your path forward. Schedule a consultation with our team to learn more.
