Private Fertility Imaging in Central London


Tubal patency testing using HyCoSy (Hysterosalpingo-Contrast Sonography) at LSDC Healthcare is delivered by consultant gynaecologists with specialist expertise in reproductive medicine and fertility imaging.
HyCoSy provides a radiation-free, outpatient assessment of whether the fallopian tubes are open, an essential step in investigating female infertility.


All care is delivered in a private, consultant-led setting in the City of London, with clear explanation, gentle technique, and immediate interpretation.

What is Tubal Patency Testing (HyCoSy)?

HyCoSy is a specialised transvaginal ultrasound procedure used to assess whether the fallopian tubes are patent (open).


During the test:

  • A fine catheter is placed through the cervix

  • Ultrasound contrast fluid is gently introduced into the uterus

  • Real-time ultrasound tracks the flow of contrast through the fallopian tubes

Free flow of contrast indicates tubal patency; delayed or absent flow suggests blockage.

Who is HyCoSy For?

HyCoSy is recommended for women who:

  • Are undergoing fertility investigation

  • Have unexplained infertility

  • Are planning assisted conception (e.g. IUI or IVF)

  • Have a history of pelvic infection, endometriosis, or pelvic surgery

  • Prefer a non-radiation alternative to HSG

  • Require timely, consultant-interpreted fertility assessment

The test is usually performed in the early part of the menstrual cycle.

Clinical Benefits and Indications

Clinical benefits include:

  • Assessment of tubal patency without X-rays

  • Outpatient procedure with no hospital admission

  • Immediate results and interpretation

  • Evaluation of uterine cavity at the same time

  • Short procedure with minimal recovery

  • Fertility-focused diagnostic clarity

Key indications include:

  • Infertility investigation

  • Pre-treatment fertility assessment

  • Suspected tubal disease

How LSDC Delivers This Differently

HyCoSy at LSDC Healthcare is distinguished by:

  • Consultant-performed and interpreted fertility ultrasound

  • Use of modern contrast agents and high-resolution imaging

  • Gentle, patient-centred technique

  • Immediate discussion of findings and implications

  • Integration with full fertility work-up and onward referral

  • Clear guidance on next steps in fertility planning

Our Patients receive clinically actionable fertility diagnostics, not isolated testing.

Diagnostics and Investigations Involved

The HyCoSy appointment may include:

  • Review of fertility and menstrual history

  • Transvaginal ultrasound of uterus and ovaries

  • HyCoSy contrast study of fallopian tubes

  • Assessment for fibroids, polyps, or uterine anomalies

All findings are explained during or immediately after the procedure.

Recovery, Follow-Up and Ongoing Care

  • The procedure takes approximately 15–30 minutes

  • Mild cramping may occur briefly

  • Normal activities can usually resume the same day

  • Results are available immediately

  • Follow-up consultation plans fertility management or referral

Insurance and Self-Pay

HyCoSy is typically a self-pay investigation, as fertility testing is often excluded from insurance policies.
Clear pricing is provided in advance.

LSDC Healthcare

A couple of minutes outside Liverpool St Station, this excellent facility is conveniently located for Medical consultations in London.

This facility is open during the evenings making it an excellent choice for busy professionals.

LSDC Healthcare London

Book A HyCoSy Fertility Assessment

If you are undergoing fertility investigation or planning pregnancy, our consultants provide expert tubal patency testing and integrated fertility assessment in Central London.

FAQ — Tubal Patency Testing (HyCoSy)

Is HyCoSy painful?

Most women experience mild, short-lived cramping. The procedure is generally well tolerated.

How does HyCoSy differ from an HSG?

HyCoSy uses ultrasound rather than X-rays and does not involve radiation.

Will HyCoSy improve my chances of pregnancy?

In some women, tubal flushing may be associated with improved fertility in the months following the test.

When in my cycle should HyCoSy be done?

It is usually performed after menstruation and before ovulation.

Can I return to work afterwards?

Yes. Most women return to normal activities the same day.

Is HyCoSy covered by private insurance?

HyCoSy is usually self-funded, as fertility investigations are commonly excluded from insurance cover.

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23 Widegate Street, City of London, London, E1 7HP, United Kingdom

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