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FROZEN EMBRYO TRANSFER

The most effective and safest technique to achieve a full term pregnancy in cases of infertility or desire to be a mother is the frozen embryo transfer.

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What is it?

Since the discovery of Vitrification in 2008, the pregnancy rate of frozen embryos is exactly the same or, in some cases, higher than that of fresh embryos transferred after In Vitro Fertilisation. Pregnancy rates are five times higher than the gestation rates of intrauterine insemination, which is why frozen embryo transfer is currently one of the most effective and safest techniques to welcome a baby home.

 

Frozen embryo transfer is the most effective and safest technique if we want to achieve a full-term pregnancy in cases of infertility or desire to be a mother. Pregnancy rates are related to the age of the couple, especially the mother, since it clearly accentuates the possibility of gestation.

Who is it for?

Women or couples for whom fresh IVF has failed

Couples with repeated implantation failures for whom we have determined by biopsy the best day for implantation

Women who produce many oocytes

Parents with genetic diseases

Women diagnosed with polycystic ovarian syndrome

Women with endometriosis

In female couples

Procedure

After the first menstruation, the mother contacts our team who will schedule an initial ultrasound of the cycle.

  • 1

    ENDOMETRIAL PREPARATION / OESTROGEN PRIMING

    The medical team prescribes a treatment with oestrogens, by means of pills or patches, which will allow a better time synchronisation with the embryos, meaning fewer transfers are cancelled. It is also possible to do a natural “eco priming”, a follow-up of the ovulatory cycle by means of ultrasound scans that allows ovulation to synchronise with the day the embryos have been frozen.

  • 2

    EMBRYO TRANSFER

    Between 3 and 5 days after the onset of progesterone, the embryos are transferred into the mother’s uterus. This simple procedure is performed inside the laboratory using a catheter to insert the embryos through the cervix. This technique does not cause any pain or require anaesthesia and the woman leaves the clinic within a few minutes, and is able to perform normal activity from the next day onwards. If the embryo engages in the endometrium, pregnancy occurs. The embryos that have not been transferred are frozen to allow for future implantation.

  • 3

    AFTER THE TRANSFER

    To help implantation occur, the mother continues to take progesterone for an additional two weeks and a few days after the embryo transfer, we perform a blood pregnancy test. Once pregnancy is confirmed, progesterone is continued for about two weeks until the gynaecological team confirms the pregnancy by ultrasound. If the pregnancy has not been confirmed, a decision will be made with the gynaecologist to start a frozen embryo transfer or to repeat a new embryo transfer cycle.

Frozen embryo transfer can be performed at any time after a puncture.

TRANSFER OF
FROZEN EMBRYOS

IT INCLUDES
  • Cycle programming
  • Personalised follow-up of every medical process
  • Serial ultrasound checks
  • Thawing of embryos
  • Embryo transfer
  • β-hCG pregnancy test and 1st ultrasound pregnancy test

 

NOT INCLUDED
  • SARS COVID 19 antigen test
  • SARS COVID 19 PCR
  • Medication for endometrial preparation
  • Sedation in embryo transfer
  • Annual maintenance fee for remaining frozen embryos
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