Your periods have changed. They’re heavier, more unpredictable, or arriving at odd times. You go to your gynaecologist hoping for clarity — and you leave with either a dismissal (“it’s just perimenopause”) or a string of test names you don’t fully understand.
Neither is good enough.
Understanding what tests are actually needed — and why — gives you the ability to ask the right questions, push back when something is missed, and make sense of your results.
Why Bleeding Evaluation Matters in Perimenopause
Not all irregular or heavy bleeding during perimenopause is “just hormones.” While hormonal fluctuation is the most common cause, bleeding changes can also signal:
- Fibroids (uterine myomas) — extremely common in Indian women over 35
- Endometrial polyps — benign growths on the uterine lining
- Adenomyosis — endometrial tissue embedded in the uterine muscle
- Endometrial hyperplasia — thickening of the uterine lining (can be a precursor to cancer in some cases)
- Endometrial cancer — rare but important to rule out, especially in women over 45 with prolonged heavy bleeding
- Thyroid dysfunction — both underactive and overactive thyroid can cause menstrual irregularity
- Bleeding disorders — conditions like Von Willebrand disease can present with heavy periods and are often missed
- Cervical pathology — polyps or, rarely, cancer
This is why “wait and see” is not always appropriate — particularly if your bleeding is significantly heavier than before, if you have bleeding between periods, or if you have any bleeding after sex.
The Evaluation Process: What a Good Gynaecologist Will Do
Step 1: A Detailed History
Before any test, a thorough consultation should cover:
- How your periods have changed — duration, flow, frequency, clot size
- When the changes started
- Whether you have bleeding between periods (intermenstrual bleeding)
- Whether you have bleeding after sex (post-coital bleeding)
- Whether you have pelvic pain
- Your full medical history, including thyroid conditions, bleeding disorders, and medications
- Family history of gynaecological cancers
If your doctor spends less than 5 minutes on this before ordering tests, that is a concern. History is often more informative than a blood test.
Step 2: A Physical Examination
A gynaecological examination — including a speculum examination to look at the cervix and a bimanual examination to assess the uterus — should be part of the evaluation. This can reveal:
- Cervical polyps (which can be removed at the same visit)
- An enlarged or irregularly shaped uterus (suggesting fibroids or adenomyosis)
- Cervical abnormalities
Step 3: Investigations
Blood Tests Your Doctor Should Order
Full Blood Count (FBC / CBC) This checks your haemoglobin and red blood cell levels to diagnose anaemia from blood loss. It is the most basic test and should always be included.
Serum Ferritin Ferritin measures your iron stores — and it is a more sensitive early indicator of iron deficiency than haemoglobin. You can have a “normal” haemoglobin but critically depleted ferritin, which causes exhaustion, hair loss, and poor recovery. Always ask specifically for ferritin — it is not automatically included in a standard CBC.
Thyroid Function Tests (TSH, Free T3, Free T4) Thyroid dysfunction is common in Indian women and frequently goes undetected. Both hypothyroidism and hyperthyroidism can cause irregular, heavy, or absent periods. A TSH alone is a reasonable screen; if abnormal, Free T3 and T4 are added.
Hormonal Panel Depending on your age and presentation, your doctor may order:
- FSH (Follicle-Stimulating Hormone) — elevated in perimenopause and menopause
- LH (Luteinising Hormone)
- Serum oestradiol (E2) — fluctuates widely in perimenopause; a single result is rarely definitive
- AMH (Anti-Müllerian Hormone) — reflects ovarian reserve; declines as menopause approaches
- Prolactin — if periods are very irregular or absent, to rule out a pituitary cause
Coagulation Screen (if indicated) If you have had heavy periods since your teens, or if a bleeding disorder runs in the family, a coagulation screen (including a test for Von Willebrand disease) may be appropriate. This is often missed in India.
Vitamin D and B12 Not directly related to bleeding, but both deficiencies are extremely prevalent among Indian women and can significantly worsen fatigue and other perimenopausal symptoms. Worth adding to any panel.
Fasting Blood Sugar / HbA1c Insulin resistance and undiagnosed type 2 diabetes are more common in Indian women during perimenopause. These conditions can worsen hormonal imbalance and weight changes.
“I had seen three doctors over two years. Everyone checked my haemoglobin. Nobody checked my ferritin. It was only when I specifically asked for it that we found out my iron stores were almost completely depleted. The fatigue I had been living with for two years had a treatable cause.” — Anonymous, 48, Chennai
Imaging: The Pelvic Ultrasound
A transvaginal ultrasound (TVS) is the most important investigation for abnormal uterine bleeding. It is more accurate than an abdominal ultrasound for seeing the uterus and ovaries clearly.
A good ultrasound report for abnormal bleeding should include:
- Endometrial thickness — the thickness of the uterine lining. In a postmenopausal woman, a thickness above 4–5mm requires further investigation. In a perimenopausal woman, the normal range varies with cycle phase, but persistent thickening warrants investigation.
- Uterine size and shape — to identify fibroids, adenomyosis, or structural abnormalities
- Fibroid mapping — number, location (submucosal fibroids cause the most bleeding), and size
- Ovarian assessment — cysts, follicles, overall ovarian volume
Sonohysterography (SIS — Saline Infusion Sonography) If the standard ultrasound is inconclusive or a polyp is suspected, saline is gently introduced into the uterine cavity during the ultrasound to get a clearer view of the lining. This is available at larger hospitals and gynaecology centres in Indian cities.
MRI of the pelvis If adenomyosis is suspected or if fibroids need detailed mapping before surgery, an MRI gives much more precise information than ultrasound. It is not a routine first-line test but is sometimes appropriate.
Direct Uterine Investigation
Endometrial Biopsy (Pipelle Biopsy) If there is a concern about the uterine lining — particularly in women over 45 with prolonged heavy bleeding, women with risk factors for endometrial hyperplasia (obesity, diabetes, PCOS history), or where the endometrium looks thick on ultrasound — a biopsy of the lining is recommended.
A Pipelle biopsy is a quick, minimally invasive procedure done in the clinic. A thin flexible tube is passed through the cervix to collect a small sample of the lining. It causes brief cramping but requires no anaesthesia. The sample is sent for histology (laboratory examination).
This test is important. If your doctor is concerned about your endometrial thickness and has not suggested a biopsy, it is reasonable to ask directly: “Do I need an endometrial biopsy?”
Hysteroscopy If a polyp or submucosal fibroid is strongly suspected, or if a biopsy is inconclusive, a hysteroscopy gives a direct view inside the uterine cavity using a small camera. It can be done under local or general anaesthesia. If polyps are found, they can often be removed at the same time.
Cervical Smear (Pap Test) If you are due for a cervical smear, this is a good time to have one. Cervical cancer can sometimes present with irregular bleeding. In India, Pap smears are recommended every 3 years for women aged 21–65, or every 5 years with co-testing for HPV.
A Note on Post-Menopausal Bleeding
If you have had no period for 12 consecutive months and then experience any bleeding — even light spotting — this must be investigated promptly. It is not a “late period.” Post-menopausal bleeding always needs:
- Pelvic ultrasound (transvaginal, looking specifically at endometrial thickness)
- Endometrial biopsy if thickness is above 4mm or if the lining appears abnormal
The majority of post-menopausal bleeding has a benign cause — atrophy, polyps, or HRT adjustment. But endometrial cancer must be ruled out, and early detection is highly treatable. Do not wait to be seen.
What to Ask Your Gynaecologist
If you are going for an evaluation of abnormal bleeding, bring these questions:
- “Should I have a transvaginal ultrasound, or just an abdominal one?”
- “Will you check my ferritin, not just my haemoglobin?”
- “Does my endometrial thickness need further investigation?”
- “Do I need an endometrial biopsy?”
- “Is there any sign of fibroids or adenomyosis on the scan?”
- “What would you expect to see that would change your management plan?”
You are entitled to clear answers to all of these. If your concerns are dismissed without investigation, you are entitled to a second opinion.
The Bottom Line
Perimenopausal bleeding evaluation is not just about ruling out the worst-case scenario — it is about understanding what is actually happening in your body so that the right treatment can be offered. A thorough evaluation includes a detailed history, a physical examination, targeted blood tests, and a transvaginal ultrasound at minimum. Anything less for significant or changed bleeding is incomplete care.
You should leave your appointment with answers, not just reassurance.
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