Join our Free Webinar 25 November 18:00 CET

Beyond Black and White: Understanding Mosaicism and PGT-A Accuracy

Navigating complex genetic results with clarity, compassion, and cutting-edge clinical evidence.

PGT-A results can feel confusing or overwhelming when an embryo comes back with a "mosaic" or grey-zone report, but your path to a healthy pregnancy doesn’t have to be stalled by scary genetic labels.

Join us to discover how modern clinical evidence and reassuring diagnostic insights help turn "mixed" genetic results into confident next steps for your embryo transfer decision.

Register Now!

What you’ll learn:

🧬 Contemporary knowledge on PGT-A & mosaicism: Modern clinical data on embryo development, cell organization, and why a 5-cell biopsy from the future placenta (trophectoderm) doesn't always equal the inner cell mass that forms the baby.

⚖️ The truth about medical controversies and what they mean for you: Separating scary diagnostic labels from real-world live birth potential and long-term safety.

🎯 Real-world, evidence-based success strategies: Practical, reassuring guidance on how to evaluate, prioritize, and safely approach mosaic embryo transfers when planning your family.

🧪 The promise and realities of non-invasive PGT-A (niPGT-A): How analyzing cell-free DNA from spent culture media works and how its diagnostic accuracy compares to standard trophectoderm biopsy.

Find out more at our free webinar on 25 November at 18:00 CET

Register to Webinar

  • This field is for validation purposes and should be left unchanged.
  • We ask you provide your full Date of Birth for more exact medical advice

Because of multiple reasons of miscarriages and IVF failures we split IVF process in parts to solve each of them and achieve live birth

By Dr. Olga Zaytseff
The founder of O.L.G.A. Clinic

Watch Now!

How to identify challenges, grow competent eggs, create viable embryos and screen them by PGT-A

By Dr. Olga Zaytseff
The founder of O.L.G.A. Clinic

Watch Now!

This webinar about optimizing uterus by hysteroscopy, boosting uterine lining by specific medication, precise timing of embryo transfer with the help of ERA test, hormonal and immune treatment

By Dr. Elena Lapina
Head doctor and co-founder of O.L.G.A. Clinic

Watch Now!

How to identify and solve them to achieve successful pregnancy and live birth

By Dr. Elena Lapina
Head doctor and co-founder of O.L.G.A. Clinic

Watch Now!

Hot and controversial topics explained from the very beginning — basic genetics, indications, embryo biopsy and freezing, challenges, results and new frontiers

By Dr. Anna Gusareva
Embryo Lab Chief at O.L.G.A. Clinic

Watch Now!

How embryos are created and grow in the lab? How embryologists make sure that embryos feel at home in the lab? How to choose the best embryo that will result in live birth?

By Dr. Anna Gusareva
Embryo Lab Chief at O.L.G.A. Clinic

Watch Now!

By Dr. Alena Egorova
Leading fertility specialist at O.L.G.A. Clinic

Watch Now!

How to make decision and process comfortable and friendly for you, and your result — efficient.

By Dr. Olga Zaytseff
The founder of O.L.G.A. Clinic

Watch Now!

Valeria shares different aspects of her work and show even examples of excellent egg donor choices based on physical characteristics and non-physical parameters, such as education, personal motivation, occupation...

By Valeria Sergeeva
The leading egg donation expert at O.L.G.A. Clinic

Watch Now!

Egg donation… Embryo adoption…
How normal is the whole process? Who are the donors and what I should/can know about them? Where is the border of my influence?

By Valeria Sergeeva
The leading egg donation expert at O.L.G.A. Clinic

Watch Now!

We prepared a very special video where egg donors personally tell about themselves, their principles of life, their reasons to donate and the philosophy of this huge project called "Egg Donation" at O.L.G.A Fertility Clinic

By Valeria Sergeeva
The leading egg donation expert at O.L.G.A. Clinic

Watch Now!
Four Steps to Wellbeing and Balance during Fertility Treatment

By Tatiana Varzaeva
Perinatal psychologist at O.L.G.A. Clinic

Get Access Free

  • This field is for validation purposes and should be left unchanged.
  • We ask you provide your full Date of Birth for more exact medical advice

 

Media & Press

Quotes from the article
Expressen, Sweden | 26 April 2026 | Text: Thérèse Bilby | Photo: Olle Sporrong | Translation: Anna Svarinskaya

Read more

Upcoming Fertility Events

Liječenje neplodnosti sa 100% garancijom povrata novca za rođenje djeteta

Kako povećati stopu trudnoća, smanjiti pobačaje i brže doći do djeteta?

Find out more & Register
The Many Faces of Endometriosis Decoded

Breaking through fertility barriers with individualized strategies tailored to your unique case

Find out more & Register
Egg donation from moral ethical and psychological perspectives

Use O.L.G.A. Fertility 20 years’ experience to find out more about egg/double donation and to make wise informed decisions about your future

Find out more & Register
The Egg Donor Database guide: the little things make all the difference

We aim to ease your concerns about egg donation and show you the "behind the curtains" reality of our database

Find out more & Register
Beyond Black and White: Understanding Mosaicism and PGT-A Accuracy

Navigating complex genetic results with clarity, compassion, and cutting-edge clinical evidence.

Find out more & Register
Your Life and Your Choice: Motherhood on Your Terms

Join Therése Neaimé at her exclusive webinar about older motherhood, solo motherhood, donor conception.

Find out more & Register
How many times do you need to retrieve eggs to guarantee a baby?

Join Dr. Olga’s free webinar 9 Dec 18:00 CEST and learn how to calculate your individual IVF Plan

Find out more & Register

Success Stories

Read Pernille and Christoffer’s fertility journey at O.L.G.A. Clinic: how the 2xIVF+2xEgg Donation Money Back Guarantee package helped them overcome setbacks and welcome their son.

Read more

After a miscarriage, failed IVF attempts, and years of uncertainty, Julia found the support she needed at O.L.G.A. Clinic. Choosing the 4xIVF Guarantee Package helped take away the worry, and her first embryo transfer resulted in a beautiful baby girl.

Read more

After 10 IVF attempts across Sweden and Germany, Johanna, 40 and Michael arrived at OLGA Clinic with only one biochemical pregnancy to show for years of heartbreak. With low AMH (0.5 mcg/l) and several medical challenges, they felt hopeless — until personalized treatment changed everything, leading to a pregnancy in their very first attempt at OLGA Clinic.

Read more


Infertility Blog

Psychological tools to support you on your fertility journey and help you navigate through fertility challenges.

Read Blog


Dr. Olga's Patients' Gathering in Stockholm

Dr. Olga's Patients' Gathering in Stockholm

August 2017


Dr. Olga's Patients' Gathering in Oslo

Dr. Olga's Patients' Gathering in Oslo

September 2017