Calculate Birth Metrics
Enter any single metric below to immediately calculate all your pregnancy timelines.
Last Menstrual Period (LMP)
Choose the first day of your last period to calculate your due date and baby progress.
Estimated Due Date (EDD)
Have a due date from an ultrasound or doctor scan? Enter it to trace back your gestation schedule.
Current Gestational Age
If you know your exact weeks and days today, set them below and set the "as-of-date".
12 Weeks, 0 Days
1st TrimesterBaby Size Guide
Week 12The 1st trimester is wrapping up! Baby now has fully formed fingernails and reflex controls.
Pregnancy Trimester Timeline
1st Tri
wks 0-132nd Tri
wks 14-273rd Tri
wks 28-40Key Pregnancy Milestones
Pregnancy & Scan Planner
Look ahead! Predict exactly your gestational age on specific scans or target dates, and calculate dates for key checkups.
Determine GA on future dates
Select a future scan date or physical visit to find out how many weeks along you will be.
GA on selected date will be:
16 Weeks, 0 Days
Find Calendar Date for a Gestational Week
When will you reach major milestones like the 20-week anatomy scan or the 28-week diabetes screening? Adjust weeks below.
You will reach this week on: