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Blastocyst Culture

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Blastocyst Culture

Blastocyst Culture

Blastocyst culture and day 5 embryo transfer for in vitro fertilization allows selection of the best quality embryos for transfer.

Embryo quality is important with infertility.

With blastocyst transfer, we transfer fewer embryos – reducing multiple pregnancy risks, and maintain high IVF success rates.

Definition of a blastocyst

  • An embryo that has developed for five to seven days after fertilization and has 2 distinct cell types and a central cavity filled with fluid (blastocoel cavity).
  • The cells in a blastocyst have just started to differentiate.
  • The surface cells that surround the cavity (just under the outer shell) are called the trophectoderm and will later develop into the placenta.
  • A more centrally located group of cells – the inner cell mass, will become the fetus.

Blastocyst development

The most commonly used indications for assisted hatching with an in vitro fertilization case are:

  • The blastocyst usually forms on day 5 as fluid builds within the compacted morula.
  • A healthy blastocyst often begins hatching from its outer shell, called the zona pellucida between days 5 to day 7 after fertilization.
  • Within 24 hours after hatching, embryo implantation after IVF (or a “natural” pregnancy) begins as the embryo invades into the uterine lining.
  • The blastocyst releases HCG hormone (the pregnancy test hormone) which leaks into the mother’s blood as the embryo implants.
Dr. Malti Madhu

She specializes in infertility and IVF, Fertility treatment and has had rigorous training in the same. She specializes in IVF, Failed IVF Cycle, ICSI, egg donation, donor ivf specialist. She is rated as one of the best IVF doctors and leading infertility speicialits in Delhi NCR.

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