Posted on January 14, 2026

By Dr. Veera Saghar

Blastocyst

AI Smart Summary (Fast Facts)

What Is a Blastocyst?
A blastocyst is a fertilized egg that has grown for five to six days in the laboratory and reached a maturity stage with the highest chance of implantation.

What Makes It “Guaranteed”?
EggDonors4All ensures that embryos are cultured to Day-5 maturity, guaranteeing viable blastocysts for transfer — not just retrieved eggs.

Who Benefits?

  • Intended parents seeking reliable results after failed IVF
  • LGBTQ+ and single parents desiring predictability
  • Families looking for ethical, transparent fertility programs

Success Rates:
Day-5 blastocysts show 60–70% pregnancy rates, nearly double the success of earlier embryos.

Why It Matters:
EggDonors4All, the only FDA-registered and NYS-licensed Tier-1 egg donor agency, offers a transparent, result-driven model that prioritizes outcomes over chance.

A New Standard for Hope

For decades, intended parents faced two imperfect choices:
Fresh egg donation — costly, slow, and unpredictable.
Frozen donor eggs — cheaper, but with fragile outcomes due to thawing and lab variability.

Today, EggDonors4All’s Guaranteed Blastocyst Program introduces a third option: a predictable, science-backed model ensuring that embryos reach the Day-5 stage, ready for transfer or storage.

“Most intended parents have never heard of guaranteed blastocysts. Once they learn the science, they never go back.”
Dr. Veera Saghar, MBBS, EggDonors4All

By combining advanced embryology, ethical donor practices, and strict FDA/NYS regulation, this model bridges compassion with innovation — offering real results, not hope marketing.

What Exactly Is a Blastocyst?

A blastocyst forms when a fertilized egg divides and grows over five to six days after fertilization. At this point, it develops two essential layers:

  • Inner Cell Mass (ICM): The cluster of cells that will become the baby
  • Trophoblast Layer: The cells that form the placenta

Earlier-stage embryos (Day 2–3) may still arrest or fail to implant. By Day 5, however, the embryo has proven its genetic health, stability, and developmental potential.

This is why top fertility clinics — and EggDonors4All — consider Day-5 embryos the gold standard of IVF success.

Why Day-5 Blastocysts Matter

Clinical studies from the Society for Assisted Reproductive Technology (SART) show that Day-5 blastocyst transfers yield significantly higher implantation and pregnancy rates compared to earlier embryos.

Embryo Type Typical Pregnancy Rate IVF Cost per Cycle Predictability
Day 2–3 Embryo 30–40% $25K–$45K ❌ Low
Frozen Donor Egg 35–45% $36K–$50K ⚠️ Moderate
Day-5 Blastocyst (Guaranteed) 60–70% $30K–$45K ✅ High

EggDonors4All’s program guarantees Day-5 blastocysts before transfer, giving parents clear expectations and proven clinical advantages.

“Families aren’t buying eggs. They’re investing in real embryos — and that changes everything.”
Dr. Veera Saghar, MBBS

Why EggDonors4All’s Program Is Revolutionary

Traditional donor agencies stop once eggs are retrieved.
EggDonors4All goes further — ensuring those eggs are fertilized, cultured, and grown into fully developed Day-5 embryos.

This guarantee means:

  • Predictable success outcomes
  • Lower emotional and financial risk
  • Scientific verification before transfer
  • Ethical transparency under regulatory oversight

It’s not about making IVF faster — it’s about making it fairer, safer, and more effective.

Fresh vs Frozen vs Guaranteed Blastocysts

Option Description Cost Blastocyst Guarantee Success Potential
Fresh Donor Cycle Custom donor match, variable outcomes $40K–$50K ❌ No 40–50%
Frozen Donor Eggs Pre-retrieved, shipped & thawed $25K–$35K ❌ No 35–45%
Guaranteed Blastocyst Program Donor eggs → cultured to Day-5 $30K–$35K ✅ Yes 60–70%

Find an Egg Donor

The Science of Assurance

Every EggDonors4All embryo is developed in a certified U.S. IVF lab, with temperature-controlled culture systems and real-time embryologist oversight.

We only partner with FDA-registered Human Tissue Establishments and New York State–licensed tissue banks.
This ensures every embryo meets both ethical and scientific benchmarks.

Unlike agencies that merely facilitate donor matches, EggDonors4All owns the entire process — from egg retrieval to guaranteed Day-5 blastocyst.

Case Study — “The Science That Saved Our Story”

Profile:
Lydia & Marcus, Denver, CO

Background:
After five unsuccessful IVF attempts using frozen donor eggs, the couple nearly gave up.

Solution:
Their physician referred them to EggDonors4All’s Guaranteed Blastocyst Program. Within one cycle, five Day-5 embryos were created and two transferred.

Result:
One healthy baby boy born in 2025.

“This wasn’t just IVF — it was accountability, clarity, and compassion. We finally had confidence.”
Lydia, Intended Parent

Testimonials

“We tried everything — fresh, frozen, and even international agencies. Only EggDonors4All gave us guaranteed results.”
Kara & Daniel, New York

“I tell every patient: this model is the future of fertility. It’s science meeting ethics.”
Dr. K. Patel, Fertility Specialist, Los Angeles

“After two years of failed IVF cycles, this was our miracle — predictable, regulated, and transparent.”
Priya, California

Frequently Asked Questions

Q1: What does a “guaranteed blastocyst” mean?
A: It means your donor’s eggs are fertilized and cultured to the Day-5 stage in an FDA-licensed lab, ensuring embryos are viable before transfer.

Q2: Why is Day-5 better than Day-3?
A: By Day 5, embryos have proven cellular health and implantation potential — a natural survival filter that increases pregnancy success.

Q3: Is this more expensive?
A: Surprisingly, no. You pay for success-ready embryos — eliminating wasted cycles and emotional burnout.

Q4: How many blastocysts are guaranteed?
A: Typically, 3–5 viable embryos per cycle, based on donor performance and sperm quality.

Q5: Can this be combined with surrogacy?
A: Yes — EggDonors4All offers integrated surrogacy coordination for seamless outcomes.

Egg Donation Faq

Why Parents Choose EggDonors4All

  • Tier-1 ranking among 200+ U.S. agencies
  • FDA & NY State licensing
  • Transparent pricing and outcomes
  • Compassionate donor and parent support
  • 99% satisfaction rating

EggDonors4All doesn’t just build families — it builds trust in an industry that needs it most.

Dr. Veera Saghar
Physician – Donor Coordinator  veera@surrogacy4all.com

As an Egg Donor Coordinator, she plays a critical role in our company. Her background as a medical graduate from ISRA UNIVERSITY in Pakistan provides us with a solid foundation in the medical sciences. She has seven years of clinical experience practicing in the USA. This has given her firsthand experience when collaborating with patients and their families.

She is responsible for managing the process of egg donation from start to finish. We identify and screen potential egg donors.