At a glance

A mock embryo transfer is a practice run that helps your doctor plan the real transfer. Learn why it's done, how it works, and what to expect during your IVF journey in Thailand.

Understanding the Mock Embryo Transfer

A mock embryo transfer is a practice procedure that mimics the steps of a real embryo transfer without actually placing an embryo. It is often done before the actual transfer to help your doctor plan the procedure and increase the chances of success. For many patients, the mock transfer reduces anxiety because it gives you a preview of what to expect.

Why Is a Mock Transfer Done?

The main purpose of a mock transfer is to map out the path to your uterus. By doing a practice run, your doctor can measure the depth and angle of your uterine cavity, check for any obstacles, and choose the best catheter or technique. This planning helps make the real transfer smoother and more precise.

In Thai IVF clinics, mock transfers are often recommended for patients who have had a difficult transfer before, have a tilted uterus, or have a history of cervical issues. However, not every patient needs one. Your doctor will decide based on your individual situation.

How Is a Mock Transfer Performed?

The procedure is similar to a real transfer but without the embryo. You will lie on an examination table, and the doctor will insert a speculum to view the cervix. A thin, flexible catheter is then passed through the cervix into the uterus. Sometimes ultrasound guidance is used to see the catheter’s position. The entire process usually takes only a few minutes and is generally painless, though you may feel mild cramping.

There are two types of mock transfers: a “trial transfer” done in the office without anesthesia, and a “sonohysterography” or saline infusion sonogram, which uses fluid to better visualize the uterine cavity. Your clinic will recommend the most appropriate type for you.

How a Mock Transfer Helps Plan the Real Transfer

The information from a mock transfer allows your doctor to note the exact depth of your uterine cavity, the angle of your cervix, and any curves or obstacles. This means on the day of the real transfer, the doctor can insert the catheter smoothly and place the embryo in the optimal spot. It also helps in choosing the right catheter type and whether ultrasound guidance is needed.

For international patients, a mock transfer can be scheduled before your actual transfer cycle, sometimes during a prior visit or at the start of your treatment. This helps you understand the procedure and reduces surprises on the day of the transfer.

What to Expect During a Mock Transfer in Thailand

If you are having a mock transfer in Thailand, you can expect a similar experience to a pelvic exam. You may be asked to come with a full bladder if ultrasound is used, as this helps visualize the uterus. The procedure is usually done in the clinic and you can go home shortly after.

Your doctor will explain the results and how they plan to use the information for your real transfer. You can ask questions and discuss any concerns at that time.

Questions to Ask Your Clinic

  • Do you recommend a mock transfer for my case? Why or why not?
  • What type of mock transfer will I have, and how is it performed?
  • Will I need any preparation, such as a full bladder or medication?
  • How will the results affect my real transfer plan?
  • Is the mock transfer included in my treatment package or is there an extra cost?

Next Steps for International Patients

If you are planning IVF in Thailand, discuss the possibility of a mock transfer with your chosen clinic. Ask about the timing, whether it can be done during your initial consultation, and how it fits into your overall treatment timeline. Remember that every patient is different, and your doctor will tailor the plan to your needs.

For more information on IVF in Thailand, see our IVF in Thailand guide. To understand the overall treatment process, visit treatment process. If you are coming from abroad, our international patients page has helpful tips.

Frequently asked questions

Is a mock embryo transfer painful?

Most women experience only mild discomfort, similar to a Pap smear. You may feel slight cramping when the catheter passes through the cervix, but it is usually brief.

How long does a mock transfer take?

The procedure itself typically takes only a few minutes. Including preparation and discussion, you may be at the clinic for about 30 minutes.

Do I need a mock transfer before every IVF cycle?

Not necessarily. Some clinics do a mock transfer once and use the information for multiple cycles. Others may repeat it if your anatomy changes or if you had a difficult transfer. Your doctor will advise you.

Can a mock transfer improve my chances of pregnancy?

A mock transfer helps your doctor plan the real transfer, which may improve the accuracy of embryo placement. However, it does not guarantee pregnancy. Its main benefit is to make the real transfer smoother and reduce the risk of difficult transfers.

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Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.

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