Do NOT Start Hormone Therapy Now—Complete Diagnostic Workup First
You should NOT be started on hormone therapy immediately. With markedly elevated total and free testosterone plus suppressed LH and FSH, you require urgent evaluation to exclude an androgen-secreting tumor before any treatment is initiated. This hormonal pattern—particularly the suppressed gonadotropins in the setting of very high androgens—is a red flag that demands investigation, not empiric therapy 1.
Why This Matters: Tumor Exclusion is Critical
Your presentation is concerning for several reasons:
- Very high testosterone levels (both total and free) in women typically indicate either polycystic ovary syndrome (PCOS), an androgen-secreting tumor (ovarian or adrenal), or rarely other endocrinopathies 1
- Suppressed LH and FSH in the context of markedly elevated testosterone is atypical for PCOS, where you would typically see elevated or normal LH with an elevated LH/FSH ratio (>2.5) 2, 3, 4
- This pattern raises concern for an autonomous androgen-producing tumor that is suppressing your pituitary gonadotropins through negative feedback 5
Required Diagnostic Evaluation Before Any Treatment
The 2008 Endocrine Society guidelines are explicit about the workup needed 1:
Immediate Laboratory Assessment
- Pregnancy test (if amenorrheic)
- DHEAS level to assess adrenal contribution
- Early morning 17-hydroxyprogesterone (if high-risk ethnicity for congenital adrenal hyperplasia)
- Prolactin level to exclude hyperprolactinemia
- Confirm testosterone levels in a reliable specialty laboratory using validated assays (many commercial labs have inaccurate ranges for female testosterone) 1
Imaging Studies
- Pelvic ultrasonography to detect ovarian neoplasm or polycystic ovaries 1
- CT or MRI of adrenals if DHEAS is markedly elevated (>700 μg/dL) or if clinical suspicion for adrenal tumor exists 1
Additional Testing if Initial Workup is Negative
- Assessment for Cushing's syndrome, thyroid dysfunction, or acromegaly if clinical features suggest these 1
- Dynamic testing (ACTH stimulation, dexamethasone suppression, GnRH agonist testing) may be needed to localize androgen source 2, 1
Common Pitfalls to Avoid
Do not assume this is simply PCOS and start oral contraceptives or antiandrogens empirically. While PCOS is the most common cause of hyperandrogenism in premenopausal women, your suppressed gonadotropins are atypical 2. The guidelines explicitly warn against treating young women with oral contraceptives to "regulate menstrual cycles" without determining the source of hyperandrogenism first 2.
Laboratory accuracy is critical. Many hospital-based automated testosterone assays are inaccurate for women, with excessively broad normal ranges 1. If your testosterone was measured in a general commercial lab, it should be repeated in a specialty endocrine laboratory using validated methods (ideally liquid chromatography-mass spectrometry) 1.
What Happens After Diagnosis
Once a tumor is excluded and the source of hyperandrogenism is identified, treatment can be tailored 2:
- If glucocorticoid-suppressible hyperandrogenism (e.g., nonclassic congenital adrenal hyperplasia): Treatment for 1-2 years may yield long-term remission 2
- If PCOS or other non-suppressible hyperandrogenism: Oral contraceptive-antiandrogen combinations, insulin-sensitizing drugs (if insulin resistant), or other targeted therapies 2
- If tumor identified: Surgical resection is typically curative, with testosterone normalizing within 24 hours post-operatively 5
Timeline for Action
This evaluation should begin immediately. Early diagnosis is critical to an effective therapeutic strategy and to prevent long-term metabolic consequences including diabetes, hypertension, dyslipidemia, and atherosclerosis 2. The goal is to lower androgen levels within the first 2-3 months of appropriate therapy, but only after the correct diagnosis is established 2.
The primary responsibility is determining the source of your high androgens before initiating any hormone therapy 2. Starting treatment prematurely could mask an underlying serious condition and delay appropriate management.