Estradiol Measurement Timing in Men Evaluated for Low Testosterone
Estradiol measurement is indicated in testosterone-deficient men who present with breast symptoms or gynecomastia before starting testosterone therapy. [1]
Before Starting Testosterone Therapy
- Measure serum estradiol prior to testosterone initiation in testosterone-deficient patients who present with breast symptoms or gynecomastia. [1]
During Ongoing Testosterone Therapy
- Measure serum estradiol when new or persistent breast symptoms or gynecomastia develop during testosterone therapy. [1]
Routine Monitoring Without Breast Symptoms
- Routine estradiol measurement is not recommended in the absence of breast symptoms or gynecomastia, because symptomatic gynecomastia or other breast symptoms are uncommon during testosterone therapy. [1]
Testosterone Formulation-Related Timing
- Estradiol testing timing is not specified for routine follow-up based on testosterone formulation in the referenced guideline statement. [1]