Doctor insights on:
How do doctors do pregnancy test blood test or urine test which is more effective doctor test or home pregnancy test?
Blood test: Blood test is more sensitive, provides a number, is generally positive sooner than urine test and is generally more reliable. Urine test is cheaper, can be done at home without the need to go to a doctor and is positive 4-5 days after a missed period. Both test are accurate when positive. A negative result on a test done too early is not meaningful. ...Read more
Had bloodwork & urine test don't know what IFE immunofix electrophoresis gel no Monoclonal proteins&IFE paraprotein urine not detected Test done for?
Yes: Yes is correct! the blood test will turn positive at least several days earlier. ...Read more
Testing: Chlamydia tests include a culture that may take 5 to 7 days to grow. A direct fluorescent antibody test looks for antigens. A nucleic acid hybridization test or a nucleic acid amplification test looks for chlamydia dna &enzyme –linked immunosorbent assay. Directing sampling uses fluids from cervix, urethra throat, eye (whichever area is impacted). Urine testing is also possible. ...Read more
Varies: I am not sure there is a standard 12 panel test. Most I have seen look for the following: •amp-amphetamines •coc-cocaine •bzo-benzodiazepines •opi-opiates •thc-marijuana •pcp-phencyclidine •bar-barbiturates •mamp-methamphetamine •mdma-ecstasy •mtd-methadone •oxy-oxycodone •ppx-propoxphene. ...Read more
Went to doc. Had pregnant urine test. Positive. Blood test result: 4147 (#) <3 mlu/ml: neg 3-8 mlu/ml: may indicate early preg. What does it mean?
Here are some…: I'm glad to see you have received such wonderful medical care; however, based on currently available information, it would be most logical to direct your current concern & question to the treating doctor for confirmation & counseling so to minimize potential confusion and anxiety, which commonly results from online inquiry. Of course, make sure to supply detailed Hx stressing sequence of events. ...Read moreSee 3 more doctor answers
Can pregnancy blood test give false negative. 3 days late, urine test negative and blood test negative too?
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
Do a blood one: Blood does not lie measures down to 5 miu. ...Read more
Only if Dr. wants it: Otherwise, a home urine test works just fine. Home pregnancy tests are very accurate and not affected by foods, herbs, common illnesses, sexually transmitted diseases, or medications. A correctly done urine test gives a reliable result 3 weeks after sex (3 weeks after when conception might have happened) or 1 week after missing a period. Home tests are cheap and sold everywhere. ...Read more