FOLLICULAR STUDY
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Certified Labs
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60 mins collection
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6hrs
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About The Test
Follicular Study Overview
A follicular study can also be referred to as follicular monitoring or tracking is a term that describes the process of a few ultrasound exams done with the intent to check growth of the follicles within the ovaries. This is particularly useful to assess ovarian reserve and fertility potential in women with menstrual cycle irregularities or fertility problems.
What Is A Follicular Study?
It involves ultrasound and transvaginal imaging of the ovaries and the follicles. The test is done using a transvaginal ultrasound, which involves placing a small probe into the vagina that produces sound waves at a high frequency. These waves bounce off of the inside structures and form images on a monitor. Those monitoring the images are able to evaluate how much a follicle has grown, when ovulation occurred, and how thick the lining of the uterus is.
Types of Follicular Study
In the adherence to the objectives of the study, two main types of follicular studies are identified:
- Basal follicular study: Growth and development of follicles as seen on day two or three in the cycle.
- Serial follicular study: Ultrasound checks done at set times (usually with intervals of 2-3 days) to see development in follicles and ovulation.
List of Parameters
List of Parameters Considered During the Follicular Study
Healthcare professionals need to check on the following points for better evaluation of follicular study results.
- Number and Dimensions of Follicles
- Both volume and texture of the ovaries
- Endometrial Thickness
- Identification of cysts or tumours of an ovarian nature.
- Blood supply to the ovaries and uterus.
Why This Test
Reasons for taking a Follicular Study
Then are some common reasons or other criteria which are known to require this form of imaging.
- The major one includes absolute infertility or other related factors which may make pregnancy a challenge.
- Irregular patterns with menstrual cycles or issues with ovulation.
- Hormonal disorders like PCOS
- Tumours or cysts at the ovary level.
- Fibroids or other tumour-like tissue growths in the uterus.
Benefits
Benefits of taking the test
The benefits of follicular study are:
- Differentiating the stage of the cycle by looking at the anatomy reveals that the ovaries have been functioning, and there has been ovulation.
- Better diagnosis or management of fertility problems.
- Increased fertility rates for patients undergoing assisted reproductive technology (ART) services.
- Ovarian cysts or tumours can be diagnosed early.
When and who should take a Follicular Study?
A healthcare practitioner may recommend a follicular study based on the following:
- Dysmenorrhea or anovulation
- Secondary infertility
- Polycystic ovaries syndrome (PCOS)
- Use of artificial reproductive techniques (ART) like in vitro fertilisation (IVF)
- Women who have chronic pelvic pain or unusual vaginal discharge
- Women with a past medical issue of ovarian cysts or tumour
In most cases, women in the childbearing age bracket (18 to 45 years) with persistent abnormal cycles or those having reproductive issues are referred for a follicular study.
Illnesses diagnosed with Follicular Study
Conditions usually found with the aid of follicular study encompass:
- Cysts at the ovaries i.e. tumours
- Endometrial implants.
- Uterine growths.
- Complex infertility.
Preparing for test
Preparing for a Follicular Study
On the day of the breakthrough test, it is advisable to:
- Arrive at the clinic with a full bladder, this helps in getting better images.
- Not drink or eat anything for 30 minutes prior to the test
- Let the doctor know if you are allergic to latex or any ultrasound gel.
Pre-requisites
There are no criteria for the follicular study test, however, the following may be suggested by the doctor:
- Specific days of the menstrual cycle may be selected - day 2 or 3 and days 10-12.
- Discontinue any prescription drugs or dietary supplements that may interfere with follicle stimulation.
Best Time to Take the Follicular Study
The optimum time to perform this study depends on individual factors, but it is typically done during certain days of the menstrual period.
Eligibility
Women within the reproductive age bracket, specifically those aged 18 to 45 years and who have some sort of fertility complications or have absent menstrual cycles, are usually suitable candidates for a follicular study. However, there's a possibility that some medical issues like severe pelvic pain or infection can contraindicate the test.
Procedure for Taking a Follicular Study
The procedure of the test is standard and follows these steps:
- Remove any clothing and jewellery that would obstruct the test: Preparation.
- Lie on an examination table, placing feet in stirrups: Positioning.
- Gently place a transvaginal ultrasound probe into your vagina: Ultrasound probe insertion.
- Use the ultrasound machine to take pictures of the ovaries and uterus: Image acquisition.
- A healthcare professional checks and analyses follicular size and number, ovarian volume, and uterine lining thickness: Measurement and evaluation.
Caution Before Taking the Test
Make sure to inform your doctor about any concerns you may have with:
- Active infections or pelvic pain.
- Past pelvic surgeries or injuries.
- Sensitivities or allergies to latex, as well as ultrasound gel.
Test Results
Results and Interpretations
Condition/Findings | Description | Interpretation |
---|---|---|
Normal follicular growth | Follicles are 16-22 mm in diameter, with 1-2 dominant follicles. | Normal ovarian function and ovulation. |
Abnormal follicular growth | Follicles are smaller or larger than expected, or there are multiple small follicles. | May indicate ovarian dysfunction, PCOS, or other hormonal imbalances. |
Ovarian cysts or tumours | Fluid-filled structures or solid masses on the ovaries. | May indicate ovarian cysts, tumours, or other ovarian abnormalities. |
Uterine abnormalities | Thickened uterine lining, fibroids, or polyps. | May indicate endometriosis, uterine fibroids, or other uterine abnormalities. |
FAQs
What is the purpose of a follicular study?
This is done to correlate menstrual cycles, ovulatory activity, and assess follicular growth.
Is the test painful?
Transvaginal ultrasound can cause minor discomfort, but most patients tolerate it very well.
Can I eat or drink before the test?
To enhance the comfort of the procedure, eating or drinking is not advised for 30 minutes prior to the test.
What if I have a history of ovarian cysts or tumours?
Always disclose any relevant ovarian conditions or surgeries to your physician.
Can I have a follicular study if I'm pregnant?
Due to its supposed ineffectiveness, follicular studies are not recommended during pregnancy.
How long does the test take?
Most often the entire test is completed between 15 – 30 minutes.