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How accurately can a doctor predict the conception date

within the first four weeks...
How accurately can a doctor predict the conception date within the first four weeks, before an ultrasound?
JA: When was your last pap smear? Have you ever had an irregular pap?
Customer: I am the potential father, so I do not know that answer. My partner had intercourse with someone else two weeks after me, and the doctor predicts the other person is the father. I am just wondering if he could be off by two weeks in that prediction.
JA: Is this your first time reaching out for information about this? In general, how would you describe your overall health?
Customer: Yes, my health is very good.
JA: Anything else in your medical history you think the doctor should know?
Customer: No.
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Answered in 7 minutes by:
10/23/2017
Dr Uzair
Dr Uzair, Doctor
Category: OB GYN
Satisfied Customers: 8,469
Experience: MBBS, years of experience in the field of Surgery and Emergency Medicine.
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Hello, my name is***** and I shall be assisting you today. I'm reviewing your query & will get back to you shortly. Thank you for your patience.

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Calculating the date of conception by LMP during early pregnancy is an estimate and can be off two weeks so i would recommend you to wait for an ultrasound as date of conception is most accurate during early pregnancy ultrasound specially between 8 to 18 weeks time period.

Hope this helps.
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Best wishes.

Dr Uzair
Dr Uzair, Doctor
Category: OB GYN
Satisfied Customers: 8,469
Experience: MBBS, years of experience in the field of Surgery and Emergency Medicine.
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Customer reply replied 1 month ago
Thank you.

My pleasure.

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