Functional Lab Check · Perimenopause

Estradiol (mid-cycle) pg/mL

Optimal: 150–300

Draw on cycle day 14–16 for meaningful result

Progesterone (mid-luteal) ng/mL

Optimal: 10–25

Draw on cycle days 20–23

Testosterone (Total) ng/dL

Optimal: 40–70

If > 300, may cause side effects

DHEA-S µg/dL

Optimal (40–60): 40–200

Levels naturally decline with age

Cortisol (AM) µg/dL

Optimal: 10–15 (morning)

Rhythm matters more than a single number

Vitamin D (25-OH) ng/mL

Optimal: 60–80

Fasting Insulin IU/mL

Optimal: 2–8

Free T3 pg/mL

Optimal: ≥ 3.0

hs‑CRP mg/L

Optimal: ≤ 0.3

Hemoglobin g/dL

Optimal: 13.5–14.5

Marker	Your Value	Optimal Range	Status

* Based on functional optimal ranges. Symptoms still matter — this is a triage tool, not a diagnosis. Hormone levels in perimenopause fluctuate; timing of blood draw matters.

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