A Modern, Radiation-Free Evaluation of Fallopian Tube Patency HyFoSy (Hysterosalpingo-Foam Sonography) is a modern, reliable, and specialized ultrasound-based technique used to assess fallopian tube patency without exposure to radiation.

This examination provides immediate information about whether the fallopian tubes are open and functioning properly, making it an important part of fertility assessment.

When Is HyFoSy Recommended?

HyFoSy may be recommended when there is concern that tubal patency could be affecting fertility.

Difficulty Conceiving

When pregnancy has not been achieved despite regular attempts.

Initial Fertility Assessment

A fundamental component of fertility investigation in many couples.

Suspected Tubal Blockage

When there are indications that one or both fallopian tubes may be obstructed.

Absence of Significant Male-Factor Infertility

When fertility difficulties cannot be explained by male reproductive factors.

Advantages of HyFoSy

No radiation exposure
Performed in the office setting
Quick procedure (approximately 10–15 minutes)
Immediate results
Minimal to no discomfort
Can be combined with ultrasound assessment of the uterus and ovaries

How Is the HyFoSy Procedure Performed?

The examination is brief, minimally invasive, and typically completed within a few minutes.

  • 01 – Placement of a Thin Catheter

    A small catheter is gently inserted through the cervix. The procedure is usually well tolerated.
  • 02 – Administration of Special Foam Contrast

    A dedicated foam medium is introduced into the uterine cavity, allowing visualization of the fallopian tubes.
  • 03 – Real-Time Ultrasound Monitoring

    The passage of the foam through the tubes is observed live using ultrasound imaging.
  • 04 – Assessment of Tubal Patency

    The results are available immediately after the examination.

Frequently Asked Questions

Why Is Tubal Patency Important?

For natural conception to occur, the fallopian tubes must allow the egg and sperm to meet and enable the fertilized embryo to reach the uterus.

Blocked or damaged tubes can significantly affect fertility and may influence the choice of fertility treatment.

Is HyFoSy painful?

Most women experience little to no discomfort. Some may notice mild cramping similar to menstrual pain during the procedure.

Does HyFoSy involve radiation?

No. HyFoSy is performed entirely under ultrasound guidance and does not use radiation.

How long does the examination take?

The procedure usually takes approximately 10–15 minutes.

When during the menstrual cycle should HyFoSy be performed?

It is typically scheduled shortly after menstruation and before ovulation, according to your physician’s instructions.

Can I return to my normal activities afterward?

Yes. Most women can resume their normal daily activities immediately after the examination.

What happens if a tubal blockage is detected?

The findings will be discussed with you, and the most appropriate fertility management plan will be determined based on your individual circumstances.

Assess your fallopian tube patency accurately and safely — in just a few minutes.

Get clear answers about your fertility and the next steps toward achieving pregnancy.