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Why is my UPT showing negative when tested positive for pregnancy on a blood test?

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Posted on Tue, 21 Aug 2018
Question: Hi, I recently had a blood test confirming pregnancy, a week later I have gotten my period late and tested using a stick which has shown up negative? Is it possible to have a early pregnancy or a false positive blood test?
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Answered by Dr. Rakhi Tayal (1 hour later)
Brief Answer:
Can be a chemical pregnancy or blighted ovum.

Detailed Answer:

Hello,

Thanks for posting your query.

A blood test is not likely to be false positive but in early pregnancy the test can come positive in case of chemical pregnancy or a blighted ovum in which the test is weakly positive and the bleeding starts on its own in next few days.

I hope this answers your query.

In case you have additional questions or doubts, you can forward them to me, and I shall be glad to help you out.

Wishing you good health.

Take care.

Dr. Rakhi Tayal, OBGYN

Above answer was peer-reviewed by : Dr. Yogesh D
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Dr. Rakhi Tayal

OBGYN

Practicing since :2001

Answered : 13884 Questions

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Why is my UPT showing negative when tested positive for pregnancy on a blood test?

Brief Answer: Can be a chemical pregnancy or blighted ovum. Detailed Answer: Hello, Thanks for posting your query. A blood test is not likely to be false positive but in early pregnancy the test can come positive in case of chemical pregnancy or a blighted ovum in which the test is weakly positive and the bleeding starts on its own in next few days. I hope this answers your query. In case you have additional questions or doubts, you can forward them to me, and I shall be glad to help you out. Wishing you good health. Take care. Dr. Rakhi Tayal, OBGYN