IUI (intrauterine insemination) and IVF (In vitro Fertilisation) are the two most common fertility treatments in India. IUI places washed sperm directly into the uterus, costs about Rs 8,000 to 15,000 per cycle plus medicines, and has roughly a 10-20% success rate per attempt in women under 35. IVF fertilises eggs in a laboratory and transfers an embryo, costs about Rs 1.15 lakh to 2.5 lakh per cycle, and has roughly a 40-50% success rate per transfer under 35. IUI is usually tried first for younger women with mild infertility; IVF is recommended for blocked tubes, severe male factor, age over 38, or after two to three failed IUI cycles.
Key takeaways
IUI helps sperm reach the egg inside the body; IVF brings egg and sperm together in a laboratory and the resulting embryo is transferred into the uterus.
IUI is far cheaper and gentler, but IVF has a higher success rate per cycle, especially with age or more complex problems.
The right choice is decided by your diagnosis and age, not by the headline success number alone.
IUI suits unexplained infertility, mildly sperm related fertility concerns, and cervical or ovulation problems with open tubes; IVF suits blocked fallopian tubes, significantly sperm related fertility concerns, advanced age or failed IUI.
Most couples who use IUI try three to four cycles before moving to IVF, if needed.
In this guide: IUI vs IVF at a glance, what each treatment is and how it works, success rates by age, cost in India for 2026, who should choose each, a 3-question decision framework, how many IUI cycles before IVF, pain and side effects, a condition-by-condition comparison, FAQs, and references.
IUI vs IVF at a glance
In short, IUI is a simple, low-cost procedure that helps sperm reach the egg naturally, while IVF is a more powerful laboratory process that fertilises eggs outside the body. The table below compares them on the points that matter most when choosing in India as of 2026.
Feature
IUI (Intrauterine Insemination)
IVF (In Vitro Fertilisation)
Definition
Washed sperm are placed directly into the uterus around the time of ovulation.
Eggs are retrieved, fertilised in a laboratory, and the resulting embryo is transferred into the uterus.
Where fertilisation happens
Inside the body, typically within the fallopian tube.
Outside the body, in a laboratory.
Main steps
Typically involves five steps and does not require surgery.
Usually involves seven steps, including egg retrieval.
Duration per treatment cycle
Approximately 2–4 weeks.
Approximately 4–6 weeks.
Cost per cycle in India
Approximately ₹8,000–₹15,000, plus medication costs.
Approximately ₹1.15 lakh–₹2.5 lakh per cycle.
Success rate per cycle (women under 35 years)
Approximately 10%–20% clinical pregnancy rate.
Approximately 40%–50% live birth rate per embryo transfer.
Anaesthesia
Not required.
Light sedation or anaesthesia is typically used during egg retrieval.
Invasiveness and recovery
Minimally invasive, with little or no recovery time.
Moderately invasive, with most people recovering within 1–2 days after egg retrieval.
Blocked fallopian tubes, severe male-factor infertility (often with ICSI), advanced maternal age (38 years or older), or after unsuccessful IUI cycles.
What is IUI, and how does it work?
IUI (intrauterine insemination) is a fertility treatment in which washed, concentrated sperm is placed directly into the uterus around the time of ovulation, so fertilisation still happens naturally inside the fallopian tube. It is the least invasive assisted treatment and is usually the first option offered when the problem is mild. A typical IUI cycle has five stages.
Ovarian stimulation and monitoring: Mild ovulation-inducing medication, usually letrozole or clomiphene citrate (drugs that prompt the ovary to produce a mature egg), is taken early in the cycle, with follicular monitoring scans to track egg development.
hCG trigger: When a follicle is mature, an hCG trigger injection is given to precisely time ovulation.
Sperm preparation: A semen sample is collected and washed in the laboratory so that only healthy, motile sperm remain.
Insemination: The prepared sperm is passed through the cervix into the uterus using a soft, thin catheter. This takes a few minutes and needs no anaesthesia.
Support and test: Progesterone may be given to support the uterine lining, and a pregnancy test follows about two weeks later.
What is IVF, and how does it work?
IVF (In vitro Fertilisation) is a fertility treatment in which the ovaries are stimulated to produce several eggs, the eggs are collected and fertilised with sperm in a laboratory, and the resulting embryos are transferred into the uterus. It does in the laboratory what the body cannot do on its own, which is why it succeeds where IUI cannot. A standard IVF cycle has seven stages.
Ovarian stimulation: Daily gonadotropin injections (hormone injections) stimulate the ovaries to produce multiple eggs over about 10 to 12 days, with scans and blood tests to monitor the response.
hCG trigger: A trigger injection matures the eggs, making them ready for collection.
Egg retrieval: Mature eggs are collected in a brief procedure under light sedation.
Sperm collection: A semen sample is prepared in the laboratory on the same day.
Fertilisation: Eggs and sperm are combined, either by conventional IVF or by ICSI (intracytoplasmic sperm injection), where one sperm is injected into each egg for male factor cases.
Embryo culture: The fertilised eggs grow into embryos over a few days, often to the blastocyst stage.
Embryo transfer: One healthy embryo is transferred into the uterus, progesterone supports the lining, and a pregnancy test follows about two weeks later. Spare good-quality embryos can be frozen for a later frozen embryo transfer (FET).
IUI vs IVF success rates by age in India
Success rates for both treatments drop with age, but since they're measured differently, a simple percentage comparison doesn't tell the full story. In this guide, IUI success is measured as pregnancies seen on an ultrasound, around 10–20% per cycle in women under 35, as per published studies and ICMR guidance. IVF success is measured as live births per embryo transfer, based on large ART registry summaries such as SART and CDC national reports.
Age Band
IUI Clinical Pregnancy Rate per Cycle
IVF Live Birth Rate per Embryo Transfer (Own Eggs)
Under 30 years
Approximately 15% to 20%
Approximately 45% to 50%
30 to 34 years
Approximately 10% to 20%
Approximately 40% to 48%
35 to 37 years
Approximately 8% to 15%
Approximately 30% to 35%
38 to 40 years
Approximately 5% to 10%
Approximately 20% to 26%
41 years and over
Less than 5%
Approximately 10% to 15% for women aged 41–42 years, with single-digit success rates beyond 42 years.
Why does IVF hold up better with age? IUI still depends on natural fertilisation and on the small number of eggs the body releases on its own, so its odds fall quickly once egg quality declines. IVF collects several eggs at once and allows the laboratory to select the best embryo, which partly offsets the age-related decline, though it cannot reverse it. These numbers are averages, not guarantees. Success improves over several cycles, but your chances depend on your diagnosis, egg reserve (AMH), and clinic quality. Be cautious of any clinic quoting a single, very high figure, such as 70-90% for one cycle, as this usually combines cumulative results or fertilisation rates.
IUI vs IVF Cost in India 2026: Complete Breakdown
IUI costs roughly one-tenth of what IVF costs, which is the main reason it is offered first when it is medically suitable. The figures below are indicative cost bands for 2026; the exact price depends on your city, the centre and how much medication you need.
Cost Component
IUI
IVF or ICSI
Consultation and initial tests
Usually included in the package or charged at a modest additional cost.
Usually included in the package or charged at a modest additional cost.
Medications
Approximately ₹15,000–₹30,000 per cycle, depending on the treatment protocol.
May add approximately ₹70,000–₹95,000 for higher-dose ovarian stimulation cycles.
Procedure and monitoring
Approximately ₹8,000–₹15,000 per cycle.
Typically included in the overall IVF/ICSI package, with total treatment costs ranging from approximately ₹1.15 lakh to ₹2.5 lakh.
Typical total cost per cycle
Approximately ₹8,000–₹15,000, plus medication costs.
Approximately ₹1.15 lakh–₹2.5 lakh per cycle.
IVF or ICSI cost by city (Cloudnine Fertility):
City
IVF or ICSI Cost Range (Indicative)
Delhi
Approximately ₹1.15 lakh to ₹2.5 lakh (medications and blood tests may be charged separately based on actual requirements).
Mumbai
Approximately ₹1.5 lakh to ₹2.3 lakh.
Bengaluru
ICSI package starts at approximately ₹1.20 lakh, plus consumables, with a total estimated cost of around ₹1.3 lakh to ₹1.45 lakh.
Pune
Approximately ₹1.20 lakh to ₹1.30 lakh, plus consumables.
Chennai
Approximately ₹1.20 lakh, plus consumables costing around ₹15,000 to ₹20,000.
Hyderabad
Approximately ₹1.20 lakh, plus consumables costing around ₹15,000 to ₹20,000.
Hidden and variable costs: Your final bill depends on the amount of stimulation medication you need, whether ICSI or add-ons such as embryo freezing and a frozen embryo transfer (FET) are used, and how many cycles you go through. When weighing the two, compare them against the chance of a baby rather than the price of a single cycle, since a short course of IUI can still cost less than a single IVF cycle for the right candidate.
Who Should Choose IUI?
IUI is the right first step when the problem is mild and the basics are working. According to professional fertility guidelines (ASRM and NICE), IUI is commonly recommended for:
Unexplained Infertility: All tests are normal, but conception has not happened.
Mild Male Factor Infertility: A slightly low count or motility, where enough motile sperm can still be prepared (often quoted as more than about 5 million motile sperm).
Cervical Factor: Hostile or thick cervical mucus that blocks sperm, which IUI bypasses.
Ovulation Disorders Responsive to Medication: Anovulation or PCOS (Polycystic Ovary Syndrome), where ovulation can be supported with letrozole or clomiphene citrate.
Donor Sperm with Normal Female Anatomy: Open tubes and reasonable egg quality.
When IUI is not effective: IUI cannot work if both fallopian tubes are blocked, if the sperm count is very low, or if egg quality is very poor with age. In those situations, IUI wastes time and money, and IVF is the realistic option.
Who should choose IVF?
IVF is the better option when the problem is more significant, or IUI is unlikely to work. It is commonly recommended for:
Blocked or Damaged Fallopian Tubes: Sperm cannot reach the egg naturally, so blocked fallopian tubes usually need IVF (tubal factor infertility).
Severe Male Factor Infertility: Very low count or motility, where ICSI is needed to achieve fertilisation.
Advanced Maternal Age or Low Ovarian Reserve: Where time matters and per-cycle IUI odds are too low.
Recurrent Miscarriage or Failed IUI Cycles: After a reasonable number of IUI attempts have not worked.
A Need for Genetic Testing or Fertility Preservation: When embryo testing, egg or embryo freezing is planned.
When IVF is the only realistic option: Both tubes blocked, severe male factor needing ICSI, or very low ovarian reserve. Here, IVF is not just the higher-success option; it is the only route likely to work.
The IUI vs IVF Decision Framework: 3 Questions
You do not need to weigh raw success rates to get a sense of direction. Three questions usually point the way, though they do not replace a proper assessment.
How old are you? Under the age of 35, there is usually room to try IUI first. At 35-37 years, the window is shorter. At 38 years and over, many specialists move to IVF sooner because time matters more than the cost savings.
Are your tubes open, and is the sperm adequate? If at least one tube is open and there are enough motile sperm (often quoted as more than about 5 million), IUI is feasible. If both tubes are blocked or the count is very low, IVF is the route.
Have you tried treatment before? If you have already had three to four IUI cycles without success, repeating IUI rarely helps, and IVF is the logical next step.
Put simply: a younger couple with open tubes and a mild problem points to IUI first, while blocked tubes, severe male factor, older age, or failed IUI points to IVF.
How many cycles of IUI before moving to IVF?
Most fertility specialists recommend moving to IVF after about three unsuccessful IUI cycles in women under 35 years, or after two cycles in women over 35 years. IUI does most of its work in the first three to four cycles, after which extra cycles add little. For the full details on cycle numbers and timing, see our guide on how many IUI cycles before IVF and our companion guide on moving from IUI to IVF. The aim is to avoid two opposite mistakes: jumping to IVF when IUI would have worked, and repeating IUI long after it has stopped being the right tool.
IUI vs IVF: Pain, Side Effects and Recovery
IUI is the gentler of the two. The procedure needs no anaesthesia and feels similar to a smear test, with some women noticing mild cramping or spotting afterwards, and no real recovery time. IVF asks more of the body: several days of self-administered hormone injections, an egg retrieval under light sedation (which can cause cramping and light spotting for a day or two), and a painless embryo transfer.
Medication side effects differ too. Ovulation-inducing tablets such as letrozole and clomiphene citrate can cause hot flushes, mood changes and occasionally a thinner uterine lining. Gonadotropin injections used in IVF can cause bloating and, uncommonly, ovarian hyperstimulation syndrome (OHSS), a temporary overresponse of the ovaries that good monitoring aims to prevent. Progesterone support can cause bloating and tiredness. Neither treatment is generally described as severely painful, but IVF is more demanding over a longer period.
IUI vs IVF for specific conditions
The right treatment is determined more by the underlying problem than by anything else. This table summarises the usual position for common conditions; your specialist will tailor it to you.
Condition
IUI
IVF
Why
PCOS or anovulation
Yes, with ovulation induction
If IUI is unsuccessful
PCOS often responds well to ovulation induction medications such as letrozole. IUI is a reasonable first-line treatment.
Mild endometriosis
May be considered
Often preferred for moderate to severe disease
More advanced endometriosis can distort pelvic anatomy, making IVF a more effective option.
Unexplained infertility
Yes, often first-line treatment
Recommended if IUI is unsuccessful
Both treatments are reasonable; IUI is typically tried first because it is less invasive.
Mild male factor infertility
Yes
If IUI is unsuccessful
IUI requires a sufficient number of healthy, motile sperm to improve the chances of fertilisation.
Severe male factor infertility
No
Yes, usually with ICSI
IVF with ICSI is preferred when sperm count or motility is too low for IUI to be effective.
Blocked or damaged fallopian tubes
No
Yes
IVF bypasses the fallopian tubes, allowing fertilisation to occur outside the body.
Women aged 38 years or older
Limited benefit
Often preferred
Because fertility declines with age, IVF generally offers higher pregnancy rates per treatment cycle.
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