NEWS & KNOWLEDGE

Why Do You Need a Full Bladder Before Embryo Transfer?

Embryo Transfer is an important step in the IVF/ICSI process. On the day of the procedure, doctors and nurses often advise patients to drink water and keep a full bladder before entering the embryo transfer room. Many patients may wonder why this is necessary and how it relates to the procedure.

1. To Improve Ultrasound Visualization of the Uterus

During embryo transfer, the physician uses abdominal ultrasound to guide the catheter carrying the embryo into the correct position within the uterine cavity.

When the bladder is moderately full, it helps create a clearer ultrasound image of the uterus. This allows the physician to see the uterine cavity more clearly and place the embryo in the most appropriate location with greater precision.

2. To Help Position the Uterus Properly

A comfortably filled bladder can help adjust the position of the uterus, making it more aligned and reducing the curvature of the cervix. This makes it easier for the physician to gently insert the embryo transfer catheter.

As a result, the procedure can be performed more smoothly and with minimal disturbance to the cervix, which may help support a favorable environment for embryo implantation.

How Full Should the Bladder Be?

In most cases, patients are advised to drink water about 30–60 minutes before the procedure so that the bladder is moderately full. The bladder should not be overly full to the point of causing significant discomfort.

If you feel excessive pressure or discomfort, you should inform the nurse or medical staff before the procedure.

While having a full bladder alone does not determine the success of pregnancy, it plays an important role in helping the embryo transfer procedure be performed smoothly and accurately.

For further information, please contact:
LINE Official Account: @nic_clinic or https://lin.ee/Mmq6m2K
Tel: +66 2-007-3973 or +66 95-370-2483