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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Delay In Periods Despite Having Negative UPT?

HI I m ria, I just had my flu vaccine a couple of days ago,and I m expecting to have menstruation ds Dec. 12. I don t have it yet and it s 3 days late already,i tried to used PT and it says negative,im a regular 28 days cycle. Shld i get worried and take another PT test ?
Fri, 13 May 2016
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General & Family Physician,  's  Response
Hi Ria,
Welcome to Healthcare Magic Forum.
I have gone through your Query & I really appreciate your concern about the problem you are facing.

As a physician I would like to tell you that there's no any correlation between getting a Flu vaccination and having late periods.

i would also like to suggest that you take another UPT urine test after 7 days because if your had unprotected sex and are if you are pregnant it might not show on UPT because you are not producing sufficient amount of hormone within first few days and sensitivity of UPTs varies from brand to brand.

Therefore, if your period does not come, you will need to see your Gynecologist, who can perform and examination and help you figure out why your period is late.

Thanks for Trusting & Posting your Query on this forum.
Hope this will help you. Feel free to ask any further question.
Have a nice Day.

Regards,
Dr.Abhijeet
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What Causes Delay In Periods Despite Having Negative UPT?

Hi Ria, Welcome to Healthcare Magic Forum. I have gone through your Query & I really appreciate your concern about the problem you are facing. As a physician I would like to tell you that there s no any correlation between getting a Flu vaccination and having late periods. i would also like to suggest that you take another UPT urine test after 7 days because if your had unprotected sex and are if you are pregnant it might not show on UPT because you are not producing sufficient amount of hormone within first few days and sensitivity of UPTs varies from brand to brand. Therefore, if your period does not come, you will need to see your Gynecologist, who can perform and examination and help you figure out why your period is late. Thanks for Trusting & Posting your Query on this forum. Hope this will help you. Feel free to ask any further question. Have a nice Day. Regards, Dr.Abhijeet