IVF Success Rates — An Honest Guide to What the Numbers Mean (Ahmedabad)

If you have seen a clinic advertise a single, impressive IVF “success rate,” it is worth pausing before you trust it. A headline percentage can be made to look almost anything by choosing what to count and whom to count it on. This page is not a sales pitch — it is an honest guide to what IVF success figures actually mean, so you can ask the right questions and judge any clinic’s claims for yourself.

Why a single “success rate” tells you very little

There is no one IVF success rate. The same treatment can be described with very different-looking numbers depending on definitions, and a number with no context is closer to marketing than to medicine. Before a figure means anything, you need to know exactly what it is measuring.

The questions that decide what a number really means

1. Success per what — per cycle, per transfer, or cumulative?

A rate quoted “per embryo transfer” will look higher than the same clinic’s rate “per cycle started,” because not every started cycle reaches transfer. A “cumulative” rate across several attempts will look higher again. None is dishonest in itself — but comparing one clinic’s per-transfer figure to another’s per-cycle figure is meaningless.

2. Success measured as what — a positive test, a pregnancy, or a baby?

A positive pregnancy test, a pregnancy seen on scan, and a live birth are three different things, and the gap between them matters. The only outcome that counts for most patients is a healthy baby taken home, so that is the outcome worth asking about.

3. Success in whom?

Age is the single biggest driver of IVF outcome, followed by the cause of infertility, ovarian reserve and embryo quality. A clinic that treats mainly younger patients, or that is selective about whom it accepts, will naturally report higher numbers — without necessarily being better. Your realistic chance depends on your situation, not the clinic’s average.

What actually affects your chances

• Age — the strongest factor, because it drives egg quality
• Ovarian reserve — see IVF with low AMH
• The underlying cause — tubal, male-factor, endometriosis, ovulatory or unexplained
• Embryo quality and the number of good embryos available
• Uterine and general health factors

Because these vary so much between individuals, an honest clinic gives you a personalised estimate after assessing you — not a one-size-fits-all headline.

How the chance typically changes with age (own eggs)

As a general, internationally consistent pattern (per embryo transfer, with own eggs): under 35 — the highest band; 35–37 — moderately lower; 38–40 — markedly lower; 41–42 — low; over 42 — very low, which is when donor eggs are often discussed. These bands are consistent with ESHRE and ASRM registry data. Rather than quoting one headline figure, we give you a specific, age-stratified estimate for your situation at consultation.

How we talk about success at Balaji Horizon

We will not quote you a single marketing percentage, and we would gently suggest caution toward anyone who does. Instead, after assessing your age, ovarian reserve and diagnosis, we give you a realistic, individualised picture — including an honest view of when the chance is good, when it is more limited, and when a different approach (including not proceeding, or considering alternatives) may be wiser. Trust built on honesty lasts longer than trust built on a number.

Frequently asked questions

Last clinically reviewed by Dr. Priyadatt Patel on 5 June 2026.