Weight management advice that does not begin with identifying the specific hormonal and metabolic contributors to weight gain in the individual woman is generic advice applied to a specific problem — and it produces correspondingly generic results. The hormonal and metabolic contributors to weight gain in women are identifiable through laboratory testing, and the treatment for each contributor is specific and targeted. The clinical evaluation at Lapeer Women’s Health begins with identifying which contributors are present before making management recommendations.
Thyroid Panel — TSH, Free T4, Free T3
Hypothyroidism is among the most commonly missed contributors to weight gain and metabolic slowdown in women. The thyroid hormones T3 and T4 regulate metabolic rate, thermogenesis, fat oxidation, and energy expenditure. Even subclinical hypothyroidism — mildly elevated TSH with normal T4 — produces symptoms including fatigue, weight gain, cold intolerance, hair loss, constipation, and cognitive slowing in many women. TSH is the primary screening test; Free T4 and Free T3 are added when TSH is borderline or when symptoms persist despite normal TSH. Treating hypothyroidism with levothyroxine typically produces modest weight loss as the metabolic rate normalizes.
Fasting Insulin and Glucose — Insulin Resistance Assessment
Insulin resistance is the most common metabolic contributor to weight gain in reproductive-age women and is the central mechanism of PCOS-related weight management difficulty. A fasting insulin level alongside a fasting glucose provides a direct assessment of insulin resistance: elevated fasting insulin with normal or mildly elevated glucose indicates significant insulin resistance even before glucose reaches the prediabetes or diabetes threshold. HOMA-IR (homeostatic model assessment of insulin resistance) calculates a composite insulin resistance score from fasting glucose and insulin. Identifying insulin resistance directs specific treatment with insulin-sensitizing strategies.
Estradiol and FSH — Menopausal Status and Estrogen Level
Estradiol and FSH levels contextualize the perimenopausal and menopausal hormonal picture relevant to weight management. Declining estradiol drives visceral fat redistribution, muscle mass loss, and insulin resistance — and identifying significant estrogen deficiency provides the rationale for hormonal management that addresses these metabolic consequences alongside vasomotor symptoms. FSH elevation confirms the perimenopausal or menopausal transition when the clinical picture suggests it.
Total and Free Testosterone — Androgen Assessment
Testosterone assessment serves two purposes in the weight management evaluation: identifying hyperandrogenism that may reflect PCOS or other androgen excess conditions contributing to central fat deposition; and identifying androgen deficiency in postmenopausal women where low testosterone contributes to reduced muscle mass, reduced metabolic rate, and reduced capacity for physical activity and recovery from exercise. Both excess and deficiency have weight-relevant implications.
HbA1c — Average Blood Sugar Over 3 Months
HbA1c provides a 3-month average blood glucose and identifies prediabetes (5.7 to 6.4 percent) and diabetes (6.5 percent or higher) that may be contributing to weight gain through insulin resistance and that represent important health concerns independent of weight. Prediabetes in particular is highly responsive to lifestyle intervention when identified early, and its identification provides powerful motivation for the dietary and activity changes that most effectively address insulin resistance.
DHEA-S — Adrenal Androgen
DHEA-S is an adrenal androgen that is elevated in some forms of adrenal hyperandrogenism and whose decline with age has been associated with reduced metabolic rate and increased visceral adiposity. Elevated DHEA-S may indicate adrenal contributor to PCOS-like symptoms and warrants further evaluation. Low DHEA-S in postmenopausal women is a finding that some practitioners address with DHEA supplementation in the context of comprehensive hormonal management.
The value of hormonal testing in the weight management evaluation is that it converts a generic problem — “I can’t lose weight” — into a specific clinical picture with identifiable contributors and targeted treatments. Hypothyroidism is treated with thyroid hormone. Insulin resistance is addressed with metformin, GLP-1 medications, and low glycemic diet. Estrogen deficiency is addressed with hormone therapy. Each finding points to a specific intervention that addresses the driver rather than simply the result.
Dr. Ramona D. Andrei and the team at Lapeer Women’s Health provide hormonal testing and interpretation in the context of a comprehensive weight management evaluation — at both our Lapeer and Rochester Hills offices, without a referral required.
Our team at Lapeer Women’s Health provides targeted hormonal testing at both offices. No referral required.
Schedule a Gynecologic VisitEducational purposes only. Not medical advice. Content reviewed by Dr. Ramona D. Andrei, MD PhD FACOG.
Gynecologic care for women of every age
Lapeer Women’s Health — Rochester Hills
2710 S Rochester Rd, Suite 2
Rochester Hills, MI 48307
Serving patients in Lapeer, Rochester Hills, and surrounding communities throughout Southeast Michigan.