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Follicle Tracking Scan

Follicle tracking scans allow us to see what is happening inside your ovaries. We can check that your eggs are maturing properly and predict when you will be ovulating. The results can be helpful for both natural and assisted conception.


What are the indications or reasons for having a follicle tracking scan?

You may need to have a follicle tracking scan if you are having trouble conceiving. You might want to have this scan to:

  • Find out when you are ovulating so you can time your sexual activity to maximise the chances of conceiving naturally
  • Check that your eggs are maturing and being released for fertilisation to rule out certain fertility problems
  • Ensure that your medication is working if you’re having fertility treatment to stimulate ovulation
  • Find out when your eggs are ready to be harvested for IVF treatment

When should you have the scan?

The follicle tracking scan should be timed according to your menstrual cycle as this will determine when you are most likely to be ovulating.

  • We usually perform the first follicle tracking scan on the 9th day of your menstrual cycle. Day 1 is the first day of your last period.
  • You may need an earlier or later scan depending on the length and regularity of your usual cycle
  • Further scans will be conducted at 1-2 day intervals to track the follicles as they develop and move
  • You will usually need to have three follicle tracking scans in a single cycle so that we can watch the follicle as it matures

How is the scan done?

  • The follicle tracking scan is a trans-vaginal ultrasound. The specially designed probe will be inserted into your vagina so that the ultrasound waves can be focused on your ovaries.
  • Your fertility specialist might also recommend a blood test to check your hormone levels alongside the ultrasound scan as they can affect ovulation and your ability to conceive.

What preparation is required?

  • You should empty your bladder just before the scan
  • You’ll need to remove the clothes on your lower half
  • If you’re undergoing fertility treatment you may need to take medication to stimulate ovulation. Your fertility doctor can advise you about this.

What can this scan detect?

The main purpose of the follicle tracking scan is to ensure that you are ovulating and producing eggs. The scan will reveal the growing follicles within your ovaries. Follicles are the small, fluid filled sacs that should each contain an egg. During each menstrual cycle, one or more of your follicles should mature and release an egg so that it can be fertilised. If you’re undergoing fertility treatment, you may be taking medication to over-stimulate your ovaries so that more eggs are released.

During the scan, we will be able to see the individual follicles in your ovaries so we can:

  • Find out when you will be ovulating and ready to conceive or have your eggs collected
  • Measure and track any active follicles to ensure they’re developing as expected
  • Check your ovaries and reproductive system for problems such as polyps or cysts

Is it easy to make an appointment?

We can easily arrange an appointment at a time that is convenient for you. As well as our usual weekday appointments, we can also provide early morning, evening or weekend ultrasounds. In order to help you feel more comfortable, we only have female sonographers.

You will need to make the appointment at the right stage in your menstrual cycle. We can help you to work out when this should be. If you’re undergoing fertility treatment, your specialist should be able to tell you when to arrange your follicle tracking scans.

What happens after the scan?

You will be able to talk to the sonographer about your results at the clinic after you have the follicle tracking scan. We will also email a detailed report including scan pictures to you and to your fertility clinic.


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Clinic Locations

Visit our clinic in Central London and Cheshire


137 Harley Street, London W1G 6BF
Nearest Underground Tube Stations

Baker Street
Regent’s Park
Great Portland Street


Alderley Edge Medical Centre, Talbot Road, Alderley Edge, Cheshire SK9 7HR
Nearest Overground Train Station

Alderley Edge