Note the first day of your last menstrual period
Add 280 days, or 40 weeks, to that date
Use an online due date calculator
Confirm the date with an ultrasound
Ask your healthcare provider to estimate it based on your cycle length and exam results
Note the first day of your last menstrual period
Add 280 days, or 40 weeks, to that date
Use an online due date calculator
Confirm the date with an ultrasound
Ask your healthcare provider to estimate it based on your cycle length and exam results