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Old 03-11-2005, 01:02 PM   #1
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bacardi73 HB User
Question false negative at 7 weeks?

I took a pregnancy test Sunday morning and it was positive. I went to my doctor monday afternoon and took a test and it came back negative. I had a blood test done and it was positive. My doctor thinks that my last cycle was just implantation bleeding because it was not normal in anyway, which would put me at 7 weeks on Sunday. My thinking is that if the urine test done by the doctor came back negetive wouldn't that mean that I wasn't as far along. If my last cycle wasa real period then I would be 4 weeks. I am wondering if anyone else has had a false negative at 7 weeks. My doctor says we'll just wait until my first ultrasound to find out for sure but the suspense is killing me.

 
Old 03-11-2005, 01:32 PM   #2
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Re: false negative at 7 weeks?

My understanding is that the blood tests don't lie - if the blood test says you're preg, then you are. Congrats!!! You might have to wait until you're further along to have a 'dating' ultrasound to determine exactly when you conceived.

 
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Old 03-11-2005, 03:19 PM   #3
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Re: false negative at 7 weeks?

When are they going to do the first ultrasound? My last period was light so they thought it was implantation bleeding and scheduled an ultrasound for 9 weeks to make sure I wasn't 4 weeks further along. It was a period I had the month before, just a wierd one.

 
Old 03-11-2005, 03:23 PM   #4
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Re: false negative at 7 weeks?

When I last spoke to my doctor it was over the phone to give me the positive result, he never mentioned when the ultrasound would be or when I should make my next appointment. My mom is a nurse at the hospital here and she says that the doctor who does the utrasounds doesn't like to do them before 17 weeks. I am an impatient person and that is too long to wait. I don't want to get my hopes up thinking I am further along than I am.

 
Old 03-11-2005, 03:28 PM   #5
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Re: false negative at 7 weeks?

You really need to talk to your doctor if you are unsure of your dates. They don't do abdominal ultrasounds until later, but they can do a transvaginal ultrasound (usually in the office, not the hospital) to date the pregnancy. There are tests that have certain timeframes for them to be accurate, so most doctors will do a quick transvaginal ultrasound if you are unsure of your dates. I would call the doctor and express your concerns.

 
Old 03-15-2005, 09:00 AM   #6
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Re: false negative at 7 weeks?

I took a urine pregnancy test recently, and it was negative, but I AM pregnant. Need to look into having a blood test done to determine.
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