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How to determine conception date?

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Posted on Mon, 14 Jul 2014
Question: Needing to know when I concieved! Lmp was April 5-9. Last day the 9th I messed around with guy one and then 20-21 guy 2. Took preg test May 4 said 1-2 weeks clearblue easy then may 6 it said 2-3 weeks. Had sono on 6/16 said 10 weeks 5 days. Help!!!
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Answered by Dr. Rakhi Tayal (20 minutes later)
Brief Answer:
April 20-21 likely.

Detailed Answer:
Hello,
Thanks for trusting us with your health concern.
Since your Last period date was 5-9 April the conception is likely to be due to 20-21 April episode as this is more near your ovulation. April 9 is the less fertile day of your period. An ultrasound scan is more accurate for dating an early pregnancy rather than a urine pregnancy kit.
Please feel free to discuss further. I will be glad to answer the follow up queries that you have.
Wishing you good health.
Regards.
Dr. Rakhi Tayal.
For future query, you can directly approach me through my profile URL http://bit.ly/Dr-Rakhi-Tayal

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Follow up: Dr. Rakhi Tayal (1 minute later)
So can you say with 100% the ninth isnt possible?
I really need a def thing
doctor
Answered by Dr. Rakhi Tayal (7 minutes later)
Brief Answer:
Only paternity test can give 100% result.

Detailed Answer:
Hello.
Thanks for writing again.
This is a calculation based on the facts that you have given me. Since the tests are not 100% accurate the calculation cannot be 100% accurate. Only paternity test can give 100% result.
Hope my answer is helpful.
Do accept my answer in case there are no further queries.
Regards.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Rakhi Tayal

OBGYN

Practicing since :2001

Answered : 13884 Questions

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How to determine conception date?

Brief Answer: April 20-21 likely. Detailed Answer: Hello, Thanks for trusting us with your health concern. Since your Last period date was 5-9 April the conception is likely to be due to 20-21 April episode as this is more near your ovulation. April 9 is the less fertile day of your period. An ultrasound scan is more accurate for dating an early pregnancy rather than a urine pregnancy kit. Please feel free to discuss further. I will be glad to answer the follow up queries that you have. Wishing you good health. Regards. Dr. Rakhi Tayal. For future query, you can directly approach me through my profile URL http://bit.ly/Dr-Rakhi-Tayal