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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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How To Calculate Conception Date In Pregnancy?

I had an ultrasound on September 25 results 7weeks 3 days another ultrasound October 30 results 12 week 2 day my question is can u give me a time frame of when it could only be possible of had sex that caused the pregnancy I am aware it can be a 10 day stretch I know conception date is not the date of intercourse and that the conception date can vary for up 3 days so I am asking for the best estimates on intercourse and date of conception based on my ultrasound results bc my lmp can not be used as a method
Tue, 8 Dec 2015
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Dentist 's  Response
Hi.. Welcome to HEALTHCARE MAGIC..

I have gone through your query and can understand your concern...
Conception date is roughly 2 weeks after your last menstrual period(LMP). If you don't know your last menstrual period(LMP), conception date can then judged from the ultrasound.
As per your ultrasound, you are 10 weeks 2 day pregnant on 30th october. your conception date should be 2-4 august.

Refer to a gynaecologist

Hope this information helps
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How To Calculate Conception Date In Pregnancy?

Hi.. Welcome to HEALTHCARE MAGIC.. I have gone through your query and can understand your concern... Conception date is roughly 2 weeks after your last menstrual period(LMP). If you don t know your last menstrual period(LMP), conception date can then judged from the ultrasound. As per your ultrasound, you are 10 weeks 2 day pregnant on 30th october. your conception date should be 2-4 august. Refer to a gynaecologist Hope this information helps