Conception
—
Medical-style pregnancy planning
Due date, milestone scans, and weeks pregnant — all in one polished tool.
Use the forward calculator to plan from your last menstrual period, the backward calculator to reverse from your estimated due date, and the converter to switch between calendar dates and pregnancy weeks.
NT scan
—
Due date
—
Forward calculator
Enter the last menstrual period and calculate conception, NT scan, morphology scan, and estimated due date.
Conception Occurred
—
NT scan (12 weeks)
—
Morphology scan (19 weeks)
—
Estimated Due Date (40 weeks)
Jan 23, 2027
Backward calculator
Start from the estimated due date and reverse the timeline to infer the LMP and related milestone dates.
Date ⇄ weeks converter
Switch modes to calculate weeks pregnant from a date, or find the date when a specific week will be reached.
Hint
Choose a mode and calculate a date or week.