Doctor insights on:
Timing: It is possible that the urine pregnancy test detected HCG that was in the urine even as a pregnancy was failing (impending miscarriage) but by the time a blood test was done, the miscarriage had already occurred and the levels of the HCG pregnancy hormone were cleared. Alternatively, it could have just been a false (+) urine pregnancy test. ...Read more
Faint positive hpt w/ first morn urine, neg dr. Urine test later that day, blood test came back post. Why was drs urine test neg? Early testing?
Pregnancy tests: Blood tests are more sensitive than urine tests, especially in early pregnancy. First morning urine is usually more concentrated than urine produced later in the day. Eating and drinking can dilute the urine enough to cause a false-negative result. That is why the blood test is done for confirmation. ...Read moreSee 2 more doctor answers
Well that depends...: Hello! the answer to your question is highly dependent upon when you believe the exposure may have occurred. Antibodies against HIV can take up to 6 months to appear in the blood. However, if you had a negative rapid test, testing is generally considered complete unless you are having other signs or symptoms of an acute HIV infection. ...Read moreSee 1 more doctor answer
Thank you: Thank you for letting us know. The question, i assume, since you did not ask one is can you be pregnant.? And it appears that you are not pregnant. Or you were pregnant but it died or was not viable. ...Read more
Do a blood one: Blood does not lie measures down to 5 miu. ...Read more
I took 7 home pregnancy test all positive but doctor test say negative and blood test was negative why?
Please clarify: Perhaps the reason can be known when you tell us honestly why you kept testing at home even though the test told you a positive answer. Something must have clued you into the fact something was not normal. You tell us. ...Read more
Elisa hbsag was negative in may 2013 befr my dnc.Now another lab test shows hbsag positive during blood test fr fertility treatmnt.can tis be true?
Yes, but...: If a person converts from HepBsAg negative to HepBsAg positive, her primary care doctor can evaluate her and order a larger panel of Hepatitis B tests to see what is going on. If HepBsAg is confirmed to be positive, the patient is contagious with HepB viruses (which are spread through blood and bodily fluids contact). That means all household contacts should have their HepB immunity confirmed. ...Read more
Then it's not Lyme: Lyme disease can be tricky -and you want to make sure you see someone like an Infectious Diseases doctor who knows how to treat it. The diagnosis is actually based on clinical findings, and the lab testing is generally 'supportive'. Since you're Western blot is negative, then it's very unlikely you have Lyme. There are other diseases that could cause 'Lyme-like' symptoms -and good to get evaluated ...Read more
2009- ELISA HIV test- positive, western blot- neg. 2010-oraquick negative. 2014- elisa-indeterminate wb- neg. Low risk for hiv. Could I have lupus?
Not a test for lupus: The HIV test is not a test for lupus. What's clear is that you don't have hiv. You'll never know why your elisa was positive and then indeterminate, and it's not worth investigating. False positive elisas are not uncommon; that's why they have to be confirmed with western blot. ...Read more
Home pregnacy test posirive.( first response.) dr. Urine pregnacy test negative. But no period. Last period nov 17, 2013?
Defer to your Doctor: Health tap is not a place to pit our anonymous advice against the professional there in person taking care of you. What did your doctor tell you about these results? Did they offer you a blood test? And as an aside on december 16, 2013, with an lmp of 11/17/2013 it surely seems early to be testing. ...Read more
See a doctor: If you missed a period and your pregnancy test came back negative, then you most likely had an anovulatory cycle, meaning your ovaries didn't release an egg. This happens from time to time but if consistent, see your doctor because you may have a hormonal imbalance. Consider a birth control consultation to regulate your periods and avoid unplanned pregnancy. ...Read moreSee 1 more doctor answer
3 days late 2posative clear blue digital test 1negative cheap test a negative doctor test. Am i pregnant?
If doubt then : There is not a way that we can tell you if you are pregnant if you have done one test that is positive and one that is negative. We would simply be guessing which test is correct. In this case you will need to see a doctor for a blood bhcg test. ...Read more
Can pregnancy blood test give false negative. 3 days late, urine test negative and blood test negative too?
Had exposure 12-14 yrs ago do i need a pcr test to be conclusive neg.had eia hiv1/2 reflex, serum rapid test, 4 oraquick home tests all neg?
No: No need for more testing especially if you are healthy. ...Read more
You could - why not: try an early response type test. Reasons for missed/late periods: low body weight, obesity, marked weight ^ or v, over-exercise, endurance athletics, breast-feeding, ^ stress, illness, eating disorders (bulimia or anorexia), anovulatory cycle (no egg released), travel, hormone irregularities, drug use, meds (i.e., birth control) or medical problems (i.e. PCOS). #1 reason is pregnancy. ...Read more
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