![]() ![]() On cycle day 1, you will have a transvaginal ultrasound and bloodwork done. Transfer is scheduled on the 6 th day of progesterone exposure. Once the lining is ready, you will begin progesterone injections-this happens at some point in week 3. The first two weeks prepare the uterine lining for implantation. Uterine preparation for FET lasts 3 – 4 weeks. What does the frozen embryo transfer preparation process look like? There is also a benefit to patients who are older or may have more fragile eggs/embryos that could do better with a fresh transfer. The main advantage of doing a fresh embryo transfer is quicker time. Are there circumstances in which a fresh transfer is recommended? The embryo transfer can occur as soon as results come back or whenever the patient is ready for pregnancy which can be years later. Embryologists can test embryos for chromosomal abnormalities increasing the chance of success and decreasing the chance of miscarriage as we would transfer a genetically normal embryo that could lead to a healthy, viable pregnancy. An FET gives us time to perform preimplantation genetic testing. Speak to your provider to see if an ERA is right for you.ģ. An Endometrial Receptivity Analysis may be recommended for some patients. This period of time is called the window of implantation. The endometrium is only receptive for a short period of time which varies from person to person. The embryo may not implant successfully if not transferred at the optimal time. Endometrial receptivity is a stage in which the endometrium is receptive to accept an embryo. An FET gives us time to sync up the timing between the embryo and the uterus to increase chances of successful implantation. An FET is recommended for patients with a high follicle count or PCOS.Ģ. A pregnancy could cause these hormone levels to go even higher which can make symptoms worse and put you at risk of ovarian hyperstimulation syndrome-also known as OHSS. Hormones are at their highest after retrieval. An FET gives patients time to recover after egg retrieval and before implantation. Why is a frozen embryo transfer preferred?ġ. ![]() Eggs are retrieved, fertilized in the lab, embryos are allowed to develop and are then transferred into the uterus 3-5 days after egg retrieval.Ī frozen embryo transfer (or FET) occurs when eggs are retrieved, fertilized in the lab, and embryos are frozen instead of transferred. What is the difference between a fresh and frozen embryo transfer?Ī fresh embryo transfer occurs in the same cycle as the IVF cycle. Here are some things you should know in order to plan and prepare for your embryo transfer. Undergoing IVF to build the family of your dreams can be overwhelming, but our team is here to help every step of the way.
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