Preimplantation Genetic Testing (PGT) in India: Types, Process & Eligibility

PGT testing in India helps fertility specialists examine specific genetic features of embryos created through in vitro fertilisation (IVF) before an embryo is transferred to the uterus. Depending on the patient's medical history, the test can assess chromosome abnormalities, identify certain inherited genetic conditions or examine specific structural chromosome changes.

For couples considering infertility treatment, PGT may be worth discussing when there is a known genetic condition in the family, a chromosome rearrangement or another clinical reason to investigate embryo genetics. However, it is not necessary for every IVF patient, and a reassuring result cannot guarantee pregnancy or the birth of a healthy baby.

India has fertility centres that offer IVF and genetic testing services. Before choosing a hospital, patients should understand which type of PGT they need, how the procedure works, what the results can tell them and how much the complete treatment may cost.

What Is Preimplantation Genetic Testing (PGT)?

Preimplantation genetic testing (PGT) is a laboratory procedure used to examine selected genetic characteristics of embryos produced through IVF. A trained embryologist collects a small sample of cells from a suitable embryo, and a genetic laboratory analyses the sample for a particular chromosome abnormality or genetic condition.

The results help doctors assess which embryos may be considered for transfer. The test does not examine every cell in the embryo, nor does it detect every possible genetic or developmental condition.

There are three main types of PGT:

• PGT-A: Examines chromosome number.
• PGT-M: Tests for a specific inherited genetic condition caused by a known gene variant.
• PGT-SR: Assesses certain structural chromosome rearrangements.

Each test serves a different purpose. A fertility specialist should recommend the appropriate option based on medical findings rather than treating PGT as a routine requirement for every IVF cycle.

Why Is PGT Testing in India Recommended?

The reasons for considering PGT testing in India depend on the patient's reproductive history and genetic risk. Testing may provide useful information when the results could influence embryo selection or reproductive planning.

1. A known inherited genetic condition

If one or both prospective parents carry a disease-causing genetic variant, PGT-M may help identify embryos affected by the particular condition being tested. The approach depends on the inheritance pattern and whether a reliable test can be developed.

2. A chromosome rearrangement

Some people carry balanced chromosome rearrangements without having noticeable health problems. However, these rearrangements may increase the chance of producing embryos with an unbalanced amount of chromosome material. PGT-SR may be considered in such cases.

3. Concerns about embryo chromosome number

PGT-A examines whether the sampled embryo cells appear to contain the expected number of chromosomes. A specialist may discuss this test based on age, previous pregnancy outcomes and the overall IVF plan.

However, PGT-A does not improve the chance of a live birth for every IVF patient. Its potential benefits should be weighed against its limitations and additional cost.

4. Recurrent pregnancy loss

Some pregnancy losses are associated with chromosome abnormalities. When a patient has experienced repeated losses, the fertility specialist may review the medical history and decide whether genetic investigations could help explain the situation.

PGT is not automatically required after recurrent miscarriage. The decision should follow an appropriate evaluation.

What Are the Different Types of PGT?

Understanding the differences between the tests helps patients ask more relevant questions during a fertility consultation.

PGT-A in India

PGT-A in India refers to preimplantation genetic testing for aneuploidy. Aneuploidy means that a cell has an abnormal number of chromosomes.

Human cells usually contain 46 chromosomes. An embryo with an abnormal chromosome number may have a lower chance of developing successfully, although the effects depend on the particular chromosome and the nature of the abnormality.

PGT-A involves testing a small sample of cells from an embryo, commonly at the blastocyst stage.

A fertility specialist may discuss PGT-A when reviewing:

• The age of the person providing the eggs.
• Previous IVF outcomes.
• A history of pregnancy loss.
• The number of embryos available.
• Whether the results are likely to change the treatment plan.

One limitation is that the biopsy represents only a small part of the embryo. Some embryos contain cells with different chromosome patterns, a condition called mosaicism. Results can therefore be difficult to interpret in certain cases.

PGT-A also cannot guarantee implantation, prevent every miscarriage or identify every genetic condition. Patients should understand these limitations before deciding whether to proceed.

PGT-M Testing in India

PGT-M testing in India is used to investigate a specific inherited condition associated with a known disease-causing genetic variant. It may be considered when a family has a confirmed genetic diagnosis that presents a reproductive risk.

Examples of conditions that may be assessed through PGT-M include thalassaemia, sickle cell disease, spinal muscular atrophy and certain other inherited disorders. Whether a particular condition can be tested depends on the genetic findings and the laboratory's capabilities.

Before treatment, the specialist may request genetic reports from the prospective parents or an affected family member. The laboratory may need to develop or validate a testing strategy for the specific variant.

This preparation can take additional time, so patients should ask about the timeline before starting IVF.

PGT-M can reduce the risk of transmitting the specific condition being tested, but it cannot eliminate every possible genetic risk. Genetic counselling and discussion of prenatal confirmation remain important.

PGT-SR Testing

PGT-SR is used when one or both prospective parents carry certain structural chromosome rearrangements. These can include translocations, in which chromosome segments change position.

A carrier may be healthy but have an increased chance of producing embryos with an unbalanced chromosome structure. PGT-SR can help assess embryos for the targeted abnormality.

The result depends on the specific rearrangement and the laboratory's testing method. A chromosome analysis may be needed before the fertility team can recommend an appropriate approach.

Who Is Eligible for PGT Testing in India?

Preimplantation genetic testing eligibility depends on the clinical reason for testing, medical history, genetic findings and availability of suitable embryos.

Patients who may be considered include:

• Couples with a known inherited genetic condition in the family.
• Prospective parents carrying a confirmed chromosome rearrangement.
• Patients whose reproductive history warrants further genetic assessment.
• Individuals who have received genetic counselling about a specific reproductive risk.

Age alone does not automatically make someone eligible for every type of PGT.

Patients do not necessarily need to have infertility to consider PGT-M or PGT-SR. However, because PGT is performed on embryos created through IVF, an IVF cycle is required.

Before recommending testing, a fertility specialist may review previous IVF reports, genetic investigations, chromosome analysis, pregnancy history and relevant family medical records. Not every patient requires all these investigations.

The specialist should explain why the test is appropriate, what it can identify and what the possible results could mean for treatment.

What Is the PGT Testing Process?

The PGT testing in India process involves several stages. The total time depends on the IVF protocol, embryo development, type of genetic test and laboratory turnaround time.

Step 1: Initial consultation

The fertility specialist reviews the patient's medical history, previous treatment and reason for considering genetic testing. Genetic counselling may be recommended, particularly when an inherited condition is involved.

Step 2: IVF and egg collection

Medication stimulates the ovaries to develop follicles. The doctor monitors the response and collects the eggs when they are ready.

The number of eggs retrieved varies according to ovarian reserve, age and individual response to medication.

Step 3: Fertilisation and embryo development

The eggs are fertilised in the laboratory using an appropriate IVF method. ICSI may be used when clinically indicated.

Embryos are monitored as they develop. Not every fertilised egg reaches the blastocyst stage, when biopsy is commonly performed.

Step 4: Embryo biopsy

A trained embryologist collects a small sample of cells from the outer layer of a suitable blastocyst. The sample is sent for genetic analysis.

Although biopsy is commonly performed, there is a possibility of embryo damage. The clinic should explain its laboratory procedures and how samples are handled.

Step 5: Genetic analysis

The laboratory performs the selected test. PGT-A examines chromosome number, PGT-M checks for a specific inherited variant, and PGT-SR assesses the targeted structural chromosome abnormality.

Results may be inconclusive, and some findings require additional interpretation.

Step 6: Embryo freezing and transfer planning

Embryos are commonly frozen while the genetic results are awaited. Once the results are available, the fertility specialist discusses whether an embryo is suitable for consideration for transfer.

A suitable result does not guarantee a successful pregnancy. If no embryo is suitable, the doctor can discuss the available alternatives.

How Long Does PGT Testing Take?

The timeline varies between patients and laboratories.

These are general estimates, not guaranteed timelines. Patients should ask whether specialised genetic preparation, embryo freezing and transfer are included in the clinic's treatment schedule.

What Is the Cost of PGT Testing in India?

The cost of PGT testing in India depends on the type of test, the IVF procedure, the number of embryos tested and the laboratory's charges. PGT-M may involve additional preparation because the test needs to target a particular inherited genetic variant.

The total treatment cost may include:

Resource: Request a written estimate directly from the selected hospital and genetic laboratory. Confirm whether the quotation covers IVF, biopsy, genetic analysis, embryo freezing, storage and transfer.

What should you check in a PGT package?

Before confirming treatment, ask the hospital:

• How many embryos are included in the testing fee?
• Is genetic counselling included?
• Are repeat or inconclusive tests charged separately?
• Are freezing and storage included?
• Is the transfer procedure included in the package?
• Are there extra charges for specialised PGT-M preparation?

Compare complete quotations rather than choosing a hospital on the basis of its starting price.

Price disclaimer: Any price information used in this article is based on previous-year data and should be treated as indicative. Actual charges may change according to the hospital, laboratory and treatment plan. For exact and updated pricing, call or email Healthroop or request a written quotation from the selected hospital before starting treatment.

What Are the Benefits of PGT?

The benefits depend on the type of test and the medical reason for using it.

• Genetic information before transfer: PGT provides information about selected genetic features of embryos before transfer.
• Assessment of inherited conditions: PGT-M may help reduce the risk of transmitting a known genetic disorder.
• Assessment of chromosome rearrangements: PGT-SR can help identify embryos with the targeted structural imbalance.
• Support for reproductive decisions: Results may help patients and specialists discuss embryo-transfer options and future family planning.

These benefits must be weighed against the cost, biopsy risks, possibility of inconclusive results and chance that no embryo will be suitable for transfer.

What Are the Risks and Limitations of PGT?

PGT has important limitations that patients should understand before treatment.

• Biopsy risks: Removing cells from an embryo requires specialist laboratory skills. Although embryos can often continue developing after biopsy, damage is possible.
• Inaccurate or inconclusive results: Testing a small sample does not provide information about every cell in the embryo. Technical limitations and biological variation can affect the result.
• Mosaicism: An embryo may contain cells with different chromosome patterns. The significance of a mosaic result depends on the findings and clinical circumstances.
• No embryo suitable for transfer: Some cycles produce no embryos that can be considered suitable after testing. This may lead to discussions about another IVF cycle or other reproductive options.
• No guarantee of pregnancy: Even an embryo with a reassuring result may fail to implant or may miscarry for reasons unrelated to the condition tested.
• Additional expense: PGT adds laboratory costs and may require embryo freezing and a later transfer cycle.

PGT also does not replace prenatal screening or diagnostic testing. Patients should discuss the appropriate options with their fertility specialist and obstetrician if pregnancy occurs.

How to Choose a Hospital for PGT Testing in India

When comparing hospitals, confirm that the centre can provide the specific IVF and genetic testing services required for your case.

Healthroop's hospital directory can be used as a starting point for enquiries. Its listings include hospitals with fertility and IVF services, but patients should confirm PGT availability directly with the relevant branch.

Hospitals to enquire with include:

• Apollo Hospitals: Ask the specific location whether it provides the required PGT method and has access to an appropriate genetic testing laboratory.
• Manipal Hospitals: Confirm which branch provides IVF, embryo biopsy and the genetic testing service required for your case.
• Max Healthcare: Contact the relevant facility to check current fertility services, laboratory arrangements and treatment costs.

These are options for further enquiry, not a ranking of PGT providers. Availability may vary by location.

Before selecting a hospital, ask about the embryology team's experience, laboratory arrangements, result turnaround time, handling of inconclusive results, embryo storage and the complete treatment cost.

How Healthroop Helps You Find the Right PGT Treatment in India

Healthroop helps patients explore fertility treatment options in India by connecting them with relevant hospitals and assisting with treatment enquiries. If you are considering PGT-A, PGT-M or PGT-SR, Healthroop can help you enquire about hospitals offering IVF services, arrange consultations where available and request treatment estimates. The final decision about genetic testing, eligibility and embryo transfer rests with the treating fertility specialist after reviewing your medical history and genetic reports.

Healthroop can assist you with:

• Hospital Selection: Explore hospitals in the Healthroop network and enquire about the availability of IVF and preimplantation genetic testing services.
• Fertility Specialist Consultations: Get assistance with arranging consultations with relevant fertility specialists, subject to hospital availability.
• Medical Report Coordination: Organise previous IVF reports, genetic test results and other medical records for the hospital's review.
• Treatment Cost Estimates: Request a written breakdown of IVF, embryo biopsy, genetic testing, embryo freezing and transfer charges.
• Treatment Planning: Clarify the expected treatment stages, required investigations and estimated timelines with the selected hospital.
• International Patient Assistance: Get help with treatment-related coordination and practical arrangements for travelling to India, depending on the services available.

To enquire about hospitals and PGT treatment options, visit Healthroop's contact page and share your medical requirements.

Final Thoughts

PGT testing in India can be useful for prospective parents who need information about a known inherited condition, a chromosome rearrangement or another specific genetic concern. PGT-A, PGT-M and PGT-SR have different purposes, so the right test depends on the patient's medical findings.

Before proceeding, discuss the benefits and limitations with a fertility specialist, ask whether genetic counselling is needed and obtain a written breakdown of the full treatment cost. PGT can support reproductive decision-making, but it cannot guarantee pregnancy or eliminate every genetic risk.