Blastocyst culture and transfer

Blastocyst culture and transfer

Blastocyst culture and transfer is the procedure of growing a fertilized embryo for 5-6 days following an egg and sperm fusion through in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI).

The process involves growing embryos in the laboratory until they reach the blastocyst stage(5-6 days), which is when they are ready to be implanted in the uterus. This method is thought to be more successful than traditional IVF because it allows the best-quality embryos to be selected for implantation.

There are two types of blastocyst transfer

  • Fresh blastocyst transfer – Transfer of embryos developed for about 5-6 days directly following IVF or ICSI into the uterus.
  • Frozen blastocyst transfer – embryos that have been developed for 5/6 days are cryopreserved and used for further cycles.

Steps involved in blastocyst culture and transfer

There are several steps involved in blastocyst culture and transfer, including ovarian stimulation, egg retrieval, in vitro fertilization (IVF), embryo culture, and embryo transfer.

Ovarian stimulation

involves using medication to stimulate the ovaries to produce multiple eggs.

Egg retrieval

This is a surgical procedure in which the eggs are retrieved from the ovaries.


Is a procedure in which the eggs are fertilized with sperm in a laboratory.

Embryo culture

This is when the embryos are cultured in a laboratory until they reach the blastocyst stage.

Embryo transfer

This is when the blastocysts are transferred to the uterus.

Blastocyst offers several advantages over traditional IVF, including a higher success rate, a lower risk of multiple births, and the ability to screen for genetic defects. However, blastocyst culture is a complex process that requires a high-quality lab, a trained embryologist’s expertise, and the embryo’s transfer by a skilled reproductive endocrinologist.

With decades of experience treating infertility, Nandi IVF offers internationally trained fertility specialists who are here to help you. Schedule a free consultation call with them today.

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