Follicle Tracking Scan

Transvaginal Ultrasound Scan

Follicle Tracking Scan
  • Assist Fertility Treatments (IVF/IUI)
  • Track Natural Ovulation
  • Assess Ovaries, Uterus & Endometrium
Pricing From £125
Consultation duration 30 minutes
Professional Sonographer
Next Steps Consultation
Results Same day report
A Follicle Tracking Scan / Antral Follicle Count (AFC) is carried out as part of fertility management. The number and size of your follicles are determined at each scan along with the thickness of the lining of the uterus (endometrial thickness).

A follicle is a fluid filled sac in the ovary that contains eggs. By measuring the size of any active follicles, an estimation of when ovulation is likely to occur can be provided in women with both regular or irregular cycles. This helps increase the chances of conception, both naturally and with the help of fertility treatment. Generally, three follicle tracking scans are required during any one menstrual cycle. The follicle tracking scan is administered internally (transvaginal ultrasound) in order to ensure maximum accuracy.

Monitoring of the ovaries, follicles and ovulation is also commonly used during fertility treatment such as in-vitro fertilization (IVF) assessment to determine the best time for intrauterine insemination. The fertility ultrasound assesses ovarian follicles at regular intervals and therefore helps the obstetrician to understand when you ovulate and when egg retrieval is best performed. Tracking will vary between individuals and their treatment plan, but normally starts on the 10th day of the cycle.

Follicle tracking scans are often administered for the following reasons:

  • To assist in management of infertility treatments such as IVF/IUI, by measuring the  size of the follicles and endometrial thickness.
  • For patients who have regular cycles and have been trying to fall pregnant for several months without success.
  • For patients who have irregular cycles and want help to determine the best time to naturally conceive.

As well as looking at the ovaries, the follicle tracking scan will also measure the endometrial thickness (lining of the uterus) as this will influence whether the embryo will be able to implant. The  thickness of the endometrium needs to be 7 mm plus to be suitable for pregnancy to implant.

If you have been trying to get pregnant for over 12 months without success, then a pelvic ultrasound scan is a more appropriate diagnostic investigation to check for any causes of unexplained infertility such as; PCOS, endometriosis, fibroids or other female reproductive organ problem.

Follicle Tracking Scan:

  • Follicle Tracking Scan: Cost £125
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