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A member asked:
Stopped taking birth control and got pregnant before my first period off the pill. i had light pink spotting at 5w 5d. are my ultrasounds accurate?
3 doctors weighed in across 2 answers
Yes: Early pregnancy ultrasounds should be very accurate at defining the due date. Of course, due dates are still just estimates. Deliveries usually occur between 2 weeks before and 2 weeks after the due date.
Answered 5/26/2016
5.1k views
In short - Yes: Us dating between 8-13 weeks is the most accurate to within +/- 3-4 days. It is possible the dating by last menses may be incorrect as well, especially if menses are variable. Since your us was earlier, consider another at 8-13 weeks to confirm interval growth and dating, if there is any concern or questions about the due date. Please discuss any questions with your docto.
Answered 12/9/2013
5.1k views
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