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Step 1: Pregnancy Week Calculator
Estimate current pregnancy week from days remaining until the due date (280-day full term).
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Step 2: Ovulation Day Estimator
Estimate the likely ovulation day from the typical cycle length (ovulation ≈ 14 days before next period).
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Step 3: Growth Velocity Calculator
Calculate growth rate per month between two height or weight measurements.
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Step 4: Weighted Score Aggregator (3-Category)
Sum three independent scored categories into a total score, useful for clinical or assessment scoring scales.