IVF Success Rate by Age (2026 Guide)
Understand how age impacts IVF success in 2026. The Fertilife explains fertility rates by age and what every woman should know for informed decisions.
Read MoreAn "unexplained infertility" diagnosis means every standard test came back normal, and it does not mean nothing is wrong, it means the standard tests did not find it. It is a diagnosis of exclusion, given once ovulation, tubal patency, ovarian reserve and semen analysis have all been checked and all look unremarkable. At TheFertilife, under Dr. Anshika Lekhi, a normal workup is where the conversation about next steps begins. It is not where it ends.
Book an Unexplained Infertility Consultation — Call or WhatsApp +91 9560026697 Speak directly with Dr. Lekhi's team to schedule.
"'Unexplained' is genuinely one of the harder conversations to have, because couples often hear it as 'we don't know what's wrong with you,' which sounds worse than it is. What it actually means is that the standard tests weren't built to catch every possible factor — and the treatment path from there is still very real, even without a single named cause." — Dr. Anshika Lekhi
It is the diagnosis you get when you have not conceived after trying for the expected period and the standard workup comes back normal on every count. That workup covers ovulation confirmation, tubal patency, ovarian reserve and semen analysis. Somewhere around 10 to 30 percent of couples being evaluated for infertility fall into this group. The range is wide because it depends on how thorough the first workup was, and on what gets counted as a real contributing factor and what gets counted as a coincidental finding.
A normal result rules out the factors those particular tests were built to detect. It does not rule out everything. Some contributors simply do not show up on routine testing, early or mild endometriosis which a standard ultrasound can miss, egg or sperm quality which a normal count or a normal hormone level does not always capture, implantation factors that only become apparent once IVF is actually attempted. This is why some couples labelled "unexplained" pick up a more specific diagnosis later, further into treatment. The first workup was not wrong. It just had its limits.
Here it comes down to your age, and we will be straight with you about it. For younger couples we usually start with IUI. Three cycles of ovarian-stimulation IUI give live birth rates close to what one or two IVF cycles give in women under about 35 to 38, and it costs a good deal less, so it is a sensible first step. For women closer to or past their late 30s, where time and ovarian reserve count for more, we move towards IVF sooner instead of spending months on IUI. Age changes the maths. That is the honest version.
We reassess after three IUI cycles rather than carrying on indefinitely. Once three stimulated cycles have not worked, moving to IVF at that point usually gets you pregnant faster, and at a lower overall cost, than more rounds of IUI.
The initial diagnostic workup generally runs ₹5,000 to ₹10,000 for the two of you together, and that part is covered on our fertility tests page. If IUI is the first step, that is ₹8,000 to ₹25,000 per cycle, detailed on our IUI page. If IVF is recommended instead, or after IUI has not worked, the pricing is simply our standard IVF pricing, there is no special unexplained-infertility rate. ICSI comes into the picture only when a male factor or another clear indication turns up along the way.
What the right path looks like is different from one couple to the next, truly it is. Your age matters, how long you have been trying matters. So take this page as background, and not as a substitute for an evaluation with Dr. Lekhi.
A normal workup does not mean there is nothing left to discuss. It means the next decision is about which treatment path fits your age, your timeline and your priorities.
Book an Unexplained Infertility Consultation — Call or WhatsApp +91 9560026697 No referral needed. Speak directly with Dr. Lekhi's team to schedule.
MBBS | MS (Obstetrics & Gynecology) | Fertility & IVF Specialist
The health information on this website is reviewed by Dr. Parjia Juneja, an experienced Obstetrician, Gynecologist, and Fertility Specialist, to help ensure medical accuracy, relevance, and adherence to current clinical practices. Our goal is to provide reliable educational information that empowers patients while encouraging consultation with qualified healthcare professionals for personalized medical advice.
This review helps maintain high editorial standards while supporting informed healthcare decisions.
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