Frozen Embryo Transfer
Frozen embryo transfer uses embryos from a previous IVF cycle
A frozen embryo transfer (FET) uses embryos created from a previous stimulated IVF cycle. As the name implies, those embryos are frozen and then thawed before being implanted in the uterus.
Frozen embryo transfer is a good option for many patients
A frozen embryo transfer can be a good option for many patients. In some respects, it is even simpler than a fresh IVF cycle because you don’t have to undergo egg retrieval or hormone injections at the same time as your implantation. Frozen embryo transfer allows you to spread out the procedures and allows your doctor to focus on priming your uterus for pregnancy. A frozen embryo transfer also allows you to have control over the timing, meaning that the embryo can be implanted at the optimal time during your monthly cycle.
The two types of FET: natural cycle and medicated
There are two types of frozen embryo transfer cycles: natural cycle FET and medicated FET. Regardless of which option you choose, the success rates of the two options are similar, and both are comparable to a fresh IVF cycle.
Natural Cycle FET: If you have regular periods, you may not need estrogen medications to prepare for an FET. If you choose this option, you would be monitored periodically (using blood work and sonograms) during the first half of your cycle. When you are ready to ovulate, a trigger injection (HCG) is given to precisely time the embryo transfer. The transfer will occur one week after the HCG injection.
Medicated FET Cycles: Some women benefit from taking medications to prime the endometrium for an embryo transfer. Additionally, a medicated FET cycle offers more control for patients who require advanced planning for the timing of the transfer. If you choose this option, you would begin estrogen medications just after the beginning of your menses. LIke natural cycle FET, you would be monitored periodically (using blood work and sonograms). When hormone levels are optimal and the endometrium is ready, the transfer is performed.
Freezing the embryos doesn’t affect the chance of pregnancy
At Dominion Fertility, we are proud that our success rates with frozen embryos are comparable to our fresh cycles. Because of our lab’s advanced freezing techniques, patients can expect similar pregnancy rates with a frozen embryo transfer cycle.
You can use frozen embryos from a different clinic
If you have embryos stored at another fertility clinic and wish to become a patient at Dominion Fertility, we are happy to help facilitate the transfer of these embryos to our center.