Expert blastocyst culture and embryo transfer

Blastocyst Culture and Embryo Transfer

In traditional IVF, embryos are usually transferred after three days of development. In blastocyst culture, they are monitored for an additional two to three days to reach the blastocyst stage. At this stage, the embryo has divided into more cells and has a higher chance of successful implantation. This method also reduces the likelihood of multiple pregnancies, as fewer but stronger embryos are selected for transfer.

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Reasons and Benefits

  • Blastocyst culture and transfer may be recommended when:
  • You have had previous IVF failures
  • You produce multiple good-quality embryos
  • You are undergoing preimplantation genetic testing (PGT)
  • You want to reduce the number of embryos transferred while maintaining high success rates

This technique helps improve selection and allows the uterine lining more time to be ready for implantation.

The Process

After egg retrieval and fertilisation, the embryos are grown in a lab for up to five or six days. Our embryologists monitor them daily to track development. The best quality blastocyst is selected for transfer, and the remaining suitable embryos can be frozen for future use. The embryo transfer itself is a simple, painless procedure that does not require anaesthesia.

General Success Rate

Success per cycle: 10–20%, depending on age, egg and sperm quality, and how accurately ovulation is tracked.

Most couples are advised to try OITI for 3–6 cycles before considering other fertility treatments.

Best results are seen in women under 35 with regular cycles and no major underlying fertility issues.

Our Doctors

Fertility Doctors in Andhra Pradesh, Telangana & Maharashtra

Dr. Padam Kanaka Mahalakshmi
Dr. Padam Kanaka Mahalakshmi
Consultant Fertility Specialist
Dr. M. Kavya Meghana
Dr. M. Kavya Meghana
Fertility Specialist, Clinical Embryologist, Cosmetic Gynaecologist & Laparoscopic Surgeon
Dr. Sireesha Gurijala
Dr. Sireesha Gurijala
Consultant Fertility Specialist
Dr. I Naga Prathyusha
Dr. I Naga Prathyusha
Consultant Fertility Specialist, Advanced Reproductive & Laparoscopic surgeon
Dr Nimma Pooja Reddy
Dr. Nimma Pooja Reddy
Consultant Fertility Specialist and Laparoscopic surgeon
Dr. Sindhura Bandi
Dr. Sindhura Bandi
Consultant Fertility Specialist in Reproductive Regenerative Medicine
Dr. Pala Keerthi
Dr. Pala Keerthi
Consultant Fertility Specialist in Reproductive Medicine
Dr. Jyotsna Nekkala
Dr. Jyotsna Nekkala
Consultant Fertility Specialist and Laparoscopic Surgeon
Dr. Paayal Agrawal
Dr. Paayal Agrawal
Consultant Fertility Specialist and Laparoscopic surgeon
Dr. Arti Patil
Dr. Arti Patil
Consultant Fertility Specialist and Laparoscopic surgeon
Dr. Rita Bang
Dr. Rita Bang
Consultant Fertility Specialist and Laparoscopic surgeon
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Why Choose Us?

At KIMS Fertility IVF Centre, we are equipped with advanced embryology labs and highly trained staff who specialise in extended culture techniques. Our blastocyst transfer protocols are designed to improve implantation and live birth rates while reducing unnecessary interventions. As one of the leading IVF centres in the city, we offer precise, evidence-based fertility care tailored to your unique needs.

Ovulation Infographic

Frequently Asked Questions

What is a blastocyst?
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A blastocyst is an embryo that has developed for five or six days after fertilisation. It has more cells and a defined structure, making it more likely to implant successfully in the uterus.
Is blastocyst transfer better than day 3 transfer?
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In many cases, yes. Transferring a blastocyst allows us to choose embryos that have continued developing well in the lab, which may increase the chances of pregnancy. However, not all patients are suitable candidates for blastocyst culture.
Does blastocyst culture reduce the chance of pregnancy if no embryos make it that far?
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There is a small risk that none of the embryos will reach the blastocyst stage, especially in patients with low egg numbers. Your fertility doctor will assess your case to determine whether extended culture is appropriate.
Can blastocyst transfer be done in frozen embryo cycles?
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Yes. Blastocysts can be frozen and stored for future use. In a frozen embryo cycle, your uterine lining is prepared, and the blastocyst is thawed and transferred at the right time.
How many blastocysts are usually transferred?
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Usually, one or two blastocysts are transferred, depending on your age, embryo quality and previous treatment history. This helps reduce the risk of multiple pregnancies while maintaining a good chance of success.
What happens to the embryos that are not transferred?
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High-quality blastocysts that are not transferred can be cryopreserved (frozen) for future use. This gives you the option of attempting pregnancy later without undergoing another full IVF cycle. Frozen embryo transfer is safe and widely used with excellent success rates.
Is the transfer procedure painful or risky?
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No. Embryo transfer is a quick and generally painless outpatient procedure. It is done without anaesthesia and does not involve any major risks. You may experience mild cramping, which usually settles within a few hours.
How soon can I take a pregnancy test after blastocyst transfer?
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You can take a blood pregnancy test around 9 to 12 days after the transfer. Your doctor will schedule this for you, as testing too early can give inaccurate results.
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