HomeAnswersObstetrics and Gynecologyconception and pregnancyHow to calculate the date of conception?

How to find the date of conception?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

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Published At July 1, 2016
Reviewed AtJune 28, 2023

Patient's Query

Hi doctor,

I just found out that I am pregnant from the home pregnancy test kits. This may sound weird as I am not sure about the date of conception was. My last period was on the 17th of last month. I had sex on the 14th of last month and also on the 4th of this month. I have a 38 day cycle. Is there a way to tell which date the pregnancy has come from without the ultrasound?

Hi,

Welcome to icliniq.com.

Yes, it is evident that you are having a long cycle. You had a full cycle by 17th of last month. Usually, an occurrence of a cycle following the sex rules out the possibility of pregnancy following that sex. So, I do not consider, sex on 14th would turn you pregnant. This is highly probable that sex on 4th turned you pregnant. You have sex on the 4th of this month, which is also your ovulation time. Moreover, you did not menstruate for a single time following that.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Sanjay Kumar Bhattacharyya
Dr. Sanjay Kumar Bhattacharyya

Obstetrics and Gynecology

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