Home » Blog » ✨ Euploid vs Aneuploid Embryos Explained: A Must-Read for IVF Parents

✨ Euploid vs Aneuploid Embryos Explained: A Must-Read for IVF Parents

Dr. Pujil Gulati, IVF Specialist with over 13 years of experience in Assisted Reproductive Techniques BabyBloom IVF Gurgaon

September 26, 2025

🌸 Introduction: Why This Topic Matters in IVF?

When parents start their IVF journey, they hear many new medical words. Two of the most important are: Euploid embryos and Aneuploid embryos. These words may sound complicated, but they are very important for pregnancy success.

🧬 What is a Euploid Embryo?

A Euploid embryo is an embryo that has the correct number of chromosomes.

Humans normally have 46 chromosomes (23 pairs).
A Euploid embryo has all 46, in the right order.
This means it has the best chance of becoming a healthy baby. 👶

💡 In simple words:
A Euploid embryo = Healthy chromosome balance → High chance of success in IVF.

🚫 What is an Aneuploid Embryo?

An Aneuploid embryo is an embryo that has the wrong number of chromosomes.

It may have extra chromosomes
Or it may be missing some chromosomes
Example: Down Syndrome (extra chromosome 21)

💔 Problem with Aneuploid embryos:

They often fail to implant in the uterus
Even if pregnancy starts, it may end in miscarriage
Rarely, it can lead to a baby born with genetic disorders

🔍 Euploid vs Aneuploid Embryos – Key Differences

Feature	Euploid Embryo ✅	Aneuploid Embryo ❌
Chromosome Number	46 (Normal)	More or Less than 46
IVF Success Rate	High chance of pregnancy	Low or No chance
Risk of Miscarriage	Very low	Very high
Baby’s Health	Healthy development	May have genetic problems
Doctor’s Choice	Always preferred	Not recommended

👉 Doctors always choose Euploid embryos first for transfer in IVF.

📊 Why Do Aneuploid Embryos Happen?

Aneuploidy is natural. It happens in almost all people. Main causes:

Age of the mother 👩‍🦳 – After 35, egg quality goes down, leading to more chromosomal errors.
Sperm issues 🧑‍🧬 – Sometimes sperm DNA also causes problems.
Cell division errors ⚡ – When embryo cells divide, mistakes can happen.
Lifestyle factors 🚬🍷 – Smoking, alcohol, stress can increase risk.

🧪 How Do Doctors Find Out? – PGT Testing

Doctors use a test called PGT (Preimplantation Genetic Testing).

This test checks chromosomes in embryos.
Only a few cells are taken from the embryo.
Doctors then know if it is Euploid or Aneuploid.

✨ Benefit:
PGT helps doctors choose the best embryo → higher IVF success + healthy pregnancy.

💕 Why Euploid Embryos Are So Important in IVF?

Sometimes, parents may only get Aneuploid embryos after testing.
This can feel heartbreaking 💔, but don’t lose hope.

Options available:

Try another IVF cycle (new eggs & sperm)
Egg or sperm donation 🥚
Adoption 🤱

Doctors always guide the safest option.

🌍 Real IVF Parents Experience

Many parents who had multiple IVF failures finally succeeded after choosing only Euploid embryos. Studies show IVF success rate is 2x higher when only Euploid embryos are transferred.

🎯 Tips for IVF Parents

Ask your doctor about PGT testing before embryo transfer.
Maintain a healthy lifestyle – no smoking, less stress, good diet. 🥗
Understand your age factor – after 35, testing is even more important.
Don’t rush – sometimes waiting for the right embryo gives the best result.

❓ FAQs on Euploid vs Aneuploid Embryos

Q1. Can Aneuploid embryos ever lead to a healthy baby?
👉 Rarely. Most Aneuploid embryos fail or cause miscarriage.

Q2. Is PGT testing safe for embryos?
👉 Yes, it is safe. Only a few cells are taken, embryo continues to grow normally.

Q3. Do younger women also get Aneuploid embryos?
👉 Yes, but less common compared to women over 35.

Q4. Does choosing Euploid embryo guarantee pregnancy?
👉 No guarantee, but it gives the highest chance.

Q5. Are Euploid embryos 100% healthy?
👉 Mostly yes, but small risks can still exist.

🌟 Conclusion: The Clear Choice for IVF Parents

👉 The difference is simple:

Euploid = Right number of chromosomes → Healthy pregnancy
Aneuploid = Wrong number of chromosomes → High risk of failure

For IVF parents, understanding this difference is a must. With modern testing like PGT, doctors can select the best embryos to give you the highest chance of becoming parents. 💕

🌸 Remember: IVF is not just science, it is also about hope, patience, and love. Choose wisely, trust your doctor, and never lose hope

OR If you need any information related to IVF, contact our Babybloom IVF Centre or call us at 9266046700 to clear your doubt.