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How To Determine The Date Of Conception Using Ultrasound?

Posted on Mon, 3 Aug 2015

Question: I had a scan today it said I am 6weeks 5 days measuring at crl 0.79 cm what date did I concieve please help

Answered by Dr. Dr. Rakhi Tayal (28 minutes later)

Brief Answer:
Near 14th XXXXXXX

Detailed Answer:
Hello,
Thanks for trusting us with your health concern.
If by scan you are 6 weeks 5 days pregnant then you conceived 4 weeks 5 days prior to today. This comes around 14th XXXXXXX The accuracy of the conception date is likely to be +/- 5-7 days.
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

Follow up: Dr. Dr. Rakhi Tayal (9 minutes later)

I took the morning after pill on 15 XXXXXXX I have been for a scan today I'm 6 weeks + 5 days did the pill not work or was I already pregnant

Answered by Dr. Dr. Rakhi Tayal (1 hour later)

Brief Answer:
The pill did not work.

Detailed Answer:
Hello.
Thanks for writing again.
The morning after pill that you took on 15th XXXXXXX did not work. It is less likely that you were already pregnant as the date of conception is near 14th XXXXXXX
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