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Normal period blood loss is about 30–80 mL across 2–7 days; heavier flow or big clots may point to a problem.

Normal human milk output rises from teaspoons in the first days to about 24–30 ounces (700–900 mL) per day after the first month.

An eyedropper drop is about 0.05 mL (50 µL) for water-like liquids; ophthalmic drops typically fall between 20–70 µL.

Implantation bleeding is usually light spotting—often a few drops to a light flow lasting a day or two.

Normal cholesterol means total under 200 mg/dL, LDL under 100, HDL 40+ for men or 50+ for women, and triglycerides under 150 mg/dL.

In adults, chest expansion usually measures about 3–5 cm between full exhalation and inhalation.

Typical random blood sugar for healthy adults stays under 140 mg/dL; 200 mg/dL or higher with symptoms suggests diabetes.

For fasting blood sugar, normal is 70–99 mg/dL (3.9–5.5 mmol/L) for people without diabetes.

Normal glucose ranges: 70–99 mg/dL fasting; A1C under 5.7%; two-hour OGTT under 140 mg/dL in people without diabetes.

A normal adult blood pressure is under 120/80 mm Hg, with both numbers below that threshold.