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the-good-doctor
the-good-doctor, Board Certified Physician
Category: OB GYN
Satisfied Customers: 76842
Experience:  Medical Doctor
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How accurate is a early ultra sound I had 1 at 7 weeks and

Customer Question

how accurate is a early ultra sound I had 1 at 7 weeks and gave me due date of 17th Feb and had my Dating scan at 12 weeks which gave me same Due Date 17th feb 2022,
Submitted: 19 days ago.
Category: OB GYN
Expert:  the-good-doctor replied 19 days ago.

This is very very accurate

Usually within a few days

Customer: replied 19 days ago.
oh ok lovely so wouldn't be out by like 3/4 weeks? Would that be a noticable difference on a early scan.
Expert:  the-good-doctor replied 19 days ago.

no way

Customer: replied 19 days ago.
what you mean no way it wouldn't be out that much? or no way it wouldn't be noticable
Expert:  the-good-doctor replied 19 days ago.

No way it couldn't be off by 3/4 weeks

Customer: replied 19 days ago.
whats the most gestational age could be off by?
Expert:  the-good-doctor replied 19 days ago.

usually a few days

Customer: replied 19 days ago.
oh ok Lovely can u help me work out wether I conceived in April on May please
Expert:  the-good-doctor replied 19 days ago.

what is your due date?

Customer: replied 19 days ago.
17th Feb. 2022
Expert:  the-good-doctor replied 19 days ago.

conception May 25-29

Customer: replied 19 days ago.
ok so no way it could of been April then ?
Customer: replied 19 days ago.
or if it was April would that been a significant difference
Expert:  the-good-doctor replied 19 days ago.

No

Customer: replied 19 days ago.
im confused what your saying no to sorry?
Customer: replied 19 days ago.
do you mean no there wouldn't be a significant difference?
Customer: replied 19 days ago.
or no it couldn't of been April
Customer: replied 18 days ago.
Customer: replied 18 days ago.
sorry confused what your answer no was to
Customer: replied 18 days ago.
Expert:  the-good-doctor replied 18 days ago.

I think I was clear that the max it could be off is a few days

Customer: replied 18 days ago.
ok so defo wouldn't be April sorry just wanted clarrification
Expert:  the-good-doctor replied 18 days ago.

I answered that already

Customer: replied 18 days ago.
ok sorry I was just looking for reassurance
Expert:  the-good-doctor replied 18 days ago.

No problem but if we covered a question already then it doesn't make a lot of logical sense asking the question again