Track your baby's weekly development milestones including size, weight, and key organ developments throughout your pregnancy journey.
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Select the first day of your last menstrual period.
Leave blank to use today's date.
How this calculator works
Calculates the current gestational week to match it with developmental milestones and fetal size comparisons.
Common questions about this calculator
These calculators are for informational purposes only. While we strive for accuracy, results should not be used as the sole basis for important decisions.