2 doctors weighed in:

I'm due aug 30th according to ultrasound at 12 weeks, 1st ultrasound at 6 weeks said due date aug 29th, my LMP nov 18 need my conception date range :)?

2 doctors weighed in
Dr. Anthony Filly
Radiology
1 doctor agrees

In brief: US dates

The ultrasound dates are most accurate.
If the us at "6 weeks" estimated that the baby was actually 6 weeks. You likely conceived about 4 weeks before that date.

In brief: US dates

The ultrasound dates are most accurate.
If the us at "6 weeks" estimated that the baby was actually 6 weeks. You likely conceived about 4 weeks before that date.
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