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What causes false positive pregnancy test?

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Posted on Mon, 2 Jan 2017
Question: Hi, my name is XXXX.. I am 30 years old, I have never been pregnant, I am in a relationship for 3 years now, I don't use protection or any type of contraceptive and most of the time my boyfriend will ejaculate inside of me. Last November 22 we had sex like any other time and I was scheduled to have my period at the end of the month but it never came. I started spotting November 26 to the 27th I had an ultrasound done December 6 and that day I started spotting dark brown blood until yesterday that I got my period. I have taken pregnancy test about 10 of them the first one was December 5th negative then December 6 negative then December 9th negative and on December 10th was my first positive but I had a negative right after and then another positive followed by more negatives after. today in the morning I took another one and it was positive. My US come back with small Corpus leteum cyst but nothing to worry because they where sooo small and my endometrium was a bit thicker than the norm. What could be going on
I belive I got pregnant November 22 and my last period was October 29 last day of period
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Answered by Dr. Vjollce Mbiarra (50 minutes later)
Brief Answer:
It would have been a kimik pregnancy

Detailed Answer:
Hi dear and thanks for your query.

I have read your answer and I will try to give an explanation.
Positive pregnancy tests with negative one can be due to evaporate of tests or due to chemical pregnancy.
If you would have had a good pregnancy and your last periods have been on 26 October than scan would have shown prganacy and for more you wouldn't have periods.
Hence try to be calm and try to Conceive other months.

Regards
Above answer was peer-reviewed by : Dr. Raju A.T
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Answered by
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Dr. Vjollce Mbiarra

OBGYN, Maternal and Fetal Medicine

Practicing since :2006

Answered : 1572 Questions

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What causes false positive pregnancy test?

Brief Answer: It would have been a kimik pregnancy Detailed Answer: Hi dear and thanks for your query. I have read your answer and I will try to give an explanation. Positive pregnancy tests with negative one can be due to evaporate of tests or due to chemical pregnancy. If you would have had a good pregnancy and your last periods have been on 26 October than scan would have shown prganacy and for more you wouldn't have periods. Hence try to be calm and try to Conceive other months. Regards