Book SHBG Test in Jalandhar | Sex Hormone Binding Globulin Test

The Sex Hormone Binding Globulin test is a blood test that measures the level of SHBG, a glycoprotein produced primarily by the liver that binds to sex hormones in the bloodstream and regulates their biological availability to tissues throughout the body. SHBG binds with high affinity to testosterone and dihydrotestosterone and with lower affinity to oestradiol, transporting these hormones in an inactive bound form. Only the small fraction of sex hormones that remains unbound, known as free hormone, is biologically active and capable of exerting physiological effects at the cellular level. Understanding SHBG levels is therefore essential for accurately interpreting total testosterone and oestrogen measurements. Two individuals with identical total testosterone levels can have entirely different amounts of biologically active free testosterone if their SHBG concentrations differ significantly. Elevated SHBG reduces free hormone availability even when total hormone levels appear normal, while low SHBG increases free hormone exposure even when total levels seem within range. This makes SHBG an indispensable component of a complete hormonal assessment in both men and women. In India, conditions associated with SHBG abnormalities are increasingly prevalent, including polycystic ovary syndrome affecting an estimated one in five women of reproductive age, obesity, Type 2 diabetes, and thyroid disorders, all of which significantly alter SHBG production and hormonal balance. The test is performed on a small blood sample drawn from a vein and completed in under five minutes.

Doctors prescribe an SHBG test in the following situations: Evaluating androgen excess in women with polycystic ovary syndrome presenting with irregular periods, hirsutism, acne, and hair thinning where low SHBG increases free testosterone availability and amplifies androgenic symptoms even when total testosterone levels fall within the broadly normal range on standard testing. Investigating male hypogonadism in men with reduced libido, erectile dysfunction, fatigue, loss of muscle mass, and mood changes where SHBG measurement alongside total testosterone enables calculation of free testosterone, providing a more accurate assessment of true androgenic status than total testosterone alone. Assessing fertility in both men and women where abnormal SHBG levels alter the free hormone environment required for normal reproductive function, ovulation, sperm production, and successful implantation, and where correcting underlying causes of SHBG dysregulation can improve fertility outcomes. Monitoring hormonal therapy in patients receiving testosterone replacement, oestrogen therapy, or oral contraceptives where SHBG levels change in response to treatment and measurement helps optimise hormone dosing, assess treatment adequacy, and monitor for over or under replacement. Investigating insulin resistance and metabolic syndrome in patients with central obesity, dyslipidaemia, and elevated fasting glucose where low SHBG is both a consequence of insulin resistance and an independent predictor of Type 2 diabetes risk, providing valuable metabolic risk stratification information. Evaluating thyroid disorders where hyperthyroidism significantly elevates SHBG and hypothyroidism reduces it, and where unexplained SHBG abnormalities prompt assessment of thyroid function as a contributing underlying cause requiring treatment.

The SHBG test measures the concentration of Sex Hormone Binding Globulin in the blood, expressed in nanomoles per litre (nmol/L). Reference ranges differ significantly between men and women and vary with age. Normal ranges are 10 to 57 nmol/L in adult men, 18 to 144 nmol/L in premenopausal women, and 40 to 188 nmol/L in postmenopausal women. These wide ranges reflect the physiological variation driven by age, hormonal milieu, and body composition. Normal A result within the gender and age appropriate reference range indicates that SHBG is regulating sex hormone bioavailability within expected physiological limits. Clinical interpretation must always correlate SHBG with total testosterone or oestradiol levels to calculate free hormone fractions and assess overall hormonal balance accurately. Low SHBG A low SHBG result indicates increased free sex hormone availability, most commonly seen in obesity, insulin resistance, hypothyroidism, androgen excess, and use of anabolic steroids or androgenic medications. In women, low SHBG amplifies androgenic effects contributing to PCOS symptoms, while in men it may indicate metabolic dysfunction requiring lifestyle and medical intervention. High SHBG An elevated SHBG result reduces free sex hormone availability and is associated with hyperthyroidism, liver disease, ageing, oestrogen therapy, and certain medications including anticonvulsants. In men, high SHBG can cause functional hypogonadism despite normal total testosterone, manifesting as fatigue, reduced libido, and loss of muscle mass that requires clinical attention and management.

Fasting for 8 to 10 hours before the SHBG test is recommended, particularly when ordered alongside testosterone, fasting insulin, and lipid profile as part of a metabolic or hormonal panel. Water is permitted during the fasting period. Morning collection is preferred as sex hormone levels follow a diurnal pattern and morning sampling ensures consistency across serial measurements. Inform your doctor about all medications and hormonal preparations currently being taken, including oral contraceptives, hormone replacement therapy, testosterone supplements, anabolic steroids, anticonvulsants, and thyroid medications, as these directly and significantly influence SHBG concentrations and are essential context for accurate result interpretation. Inform your doctor about any known thyroid disorders, liver disease, or metabolic conditions before testing, as these conditions independently alter SHBG production. If you are undergoing serial SHBG measurements to monitor treatment response, maintaining consistency in the timing of sample collection and the laboratory platform used ensures reliable and comparable results across visits. Staying well hydrated before the blood draw facilitates easier venous access and a smooth collection experience.

If you are booking through the SecondMedic platform the SHBG test price in Jalandhar can cost you around Rs. 1150. You may also consider booking a comprehensive hormonal panel that includes SHBG alongside total testosterone, free testosterone, LH, FSH, and prolactin for a complete assessment of hormonal health at a bundled price on SecondMedic.

SecondMedic offers convenient home sample collection for the SHBG test in Jalandhar, making it easy to get tested without visiting a diagnostic centre. Home collection is available free of charge for orders above Rs. 300. A trained phlebotomist will visit your preferred address between 7 AM and 10 PM, seven days a week, including Sundays and public holidays. Your blood sample is processed at NABL-accredited partner laboratories, and your report is delivered within 24 hours directly to your WhatsApp and email.