panvorti.blogg.se - Fet fertility

How long can embryos stay in storage?Įmbryos can be kept in storage for future use, provided you continue to pay the annual storage fee. Your partner or support person is always welcome to be present during this procedure. The lining of your uterus will be quite sticky during this time, so the embryo will remain in place. You will be awake and you can get up straight afterwards to continue with your day.

The transfer is normally a very simple procedure and is similar to undergoing cervical screening. The transfer procedure is performed by a fertility doctor under ultrasound guidance. Thawing is typically performed on the morning of the FET, but may be done the day before in some cases. The thawing process involves rapidly warming an embryo to 37☌ in special solutions that rehydrate the cells of the embryo and remove the solutions that were part of the freezing process. Our storage tanks undergo 24-hour electronic temperature monitoring and are located in a secure and alarmed area only accessible by our Embryology team.

Your embryos remain frozen and securely stored in specialised tanks under liquid nitrogen, which ensures they remain at a consistently cold temperature. During the process of vitrification, they are snap frozen in liquid nitrogen. How are embryos stored?Įmbryos chosen for freezing are placed in a special freezing solution and frozen on individual vitrification devices. This process is highly successful, with at least 95% or more of the embryos surviving after thaw. Embryos are snap frozen using a process called vitrification. The pregnancy success rate of frozen embryos is similar to that of fresh embryos, making FETs a reliable and safe option for you.

If you are not wanting to get pregnant right away.Īre FETs as successful as fresh embryo transfers?.

If you are the recipient of donated eggs or.

If you are awaiting results following PGT-A.

If you had raised progesterone level prior to egg collection, which alters the environment for embryo implantation.

If a fresh embryo transfer would have increased your risk of over-stimulating (OHSS).

Reasons for not having a fresh embryo transfer can include: In this case, any good quality embryos produced from your fresh cycle are frozen by our embryology team. In some situations, it may not have been appropriate to have an embryo transfer in a fresh IVF cycle. If you have frozen embryos available they should be considered for transfer first before beginning another fresh IVF cycle, unless there has been a discussion that they should be retained for fertility preservation. In order to monitor an FET cycle, our nursing team will coordinate any necessary blood tests and ultrasound scans, and with a fertility doctor, will confirm the best day to carry out your FET. If required, ovulation induction or hormonal therapy can be prescribed to create the correct environment for the embryo to implant. It provides the opportunity to become pregnant without having to undergo another cycle of hormone stimulation and egg collection.įrozen embryo cycles can be undertaken during a natural cycle for women who ovulate regularly. Treatments & Services Frozen Embryo Transfer What is a frozen embryo transfer (FET)?įET is the process in which a frozen embryo from a previous IVF treatment cycle is thawed and transferred back into the uterus.