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One Blood test says positive and one blood test says negative???


Posted by hollyann

So, I am very confused about the blood tests that I've had. Found out by a qualitative blood test on Friday that I was pregnant (about 5 weeks by LMP). Then the next day I started to bleed (no cramps) so I went to the ER and the Doc did a transvaginal ultrasound and said that he saw something that may be a pregnancy in uterus but not sure. Then he came back and told me that my qualitative blood test was less than 5, so I am not pregnant. He was confused by the blood test the day before as well and he recommended that I still follow up with the OB Doc on Monday. I don't understand how I could have gotten a + blood test and the next day a negative blood test?? 
 
Answers (5)
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did your tests get sent to two different labs?  Qualitative tests and quantative tests are tricky in that for one it is a simple +/-.  If a lab considers anything over 5 a positive test then all you are gonna know is that it was positive....even if the number is as low 6.

 

If your numbers dropped below five then you are looking at an impending miscarriage.  In your trans vag did the doc say that he saw a yoke sac and fetal pole?  Or did he not clarify when he said "...something that may be a pregnancy in the uterus"?

Yes, the tests were done at 2 different labs and the doc couldn't make out what he saw. He said it may or may not be a pregnancy. He couldn't be for sure. 
I am dealing with military clinics here so sometimes it is difficult to get answers, but I finally got hold of the lab that did the qualitative test and they said anything over 25 Imu is positive. Very perplexing. 

I know all about military clinics!  My husband is a soldier medic :)

Which MTF are you at?  I know here they can transfer anything from radiology onto a disc. Maybe you could request a follow-up and see if your PCM can give ya some answers.

I took 2 at home pregnancy's and both were positive. Thursday I started bleeding so I went to hospital, they examend me and my cervix was closed, took blood test and my hcg was 16.  So Im pregnant, have to go get more blood taking for doctor tomorrow.  But I went to get early results and the local hospital did a serum blood test which is a yes or no test.  It came back negative, does that mean I miscarried?? I didn't have  any clots or tissue in my blood. Very confused
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