Doctor insights on: Percentage of false negative pregnancy tests
When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more
Have had 4 positive home pregnancy tests and 1 negitive test between the positives could it have been a false negative?
I have heard of people saying that their UTI gave them a false negative on their home pregnancy tests, can this happen?
Very unlikely: A UTI does not change your HCG levels. ...Read more
I have not had a period for a little over two months, could nine negative first response pregnancy tests still be giving a false negative?
Unlikely/blood test: If you did the test correctly, you are not pregnant. If you want to clear all doubts, see your doctor for a blood test. Menstrual irregularities are not uncommon and anovulatory cycle is a common cause. If you miss more than two periods it would be time to see your doctor. If you do not wish to be pregnant, use contraception all the time. ...Read more
16d post unprotected sex. 4 days late with period. Negative pregnancy tests. Can it be a false negative?
Unlikely: You test should be positive in that time span. Therefore, you are not pregnant. ...Read more
Is it possible to have a false negative blood test for pregnancy? I've had positive home pregnancy tests for 2 weeks but my blood test said negative
My period is 14 days late. I've taken several dollar tree pregnancy tests, they were all negative. Could it be false negative?
See doc or check 1w: Over the counter home pregnancy tests take longer to turn positive than blood tests do, but usually 2 weeks is enough, unless the period would have been a bit late anyway. Options for a suspected pregnancy but a negative home pregnancy test include: See doctor for a blood test, or repeat a home pregnancy test in 1 week. ...Read more
My period is always on time and it is 4 days late. Home pregnancy tests and a doctor's office blood test came back negative. Can it be false negative?
Very unlikely: If the test is negative at that point, then it is very unlikely you are pregnant. ...Read more
Yesterday, I took 3 first response pregnancy tests, 2 digital and 1 dye and got positives and 2 generic digital tests and they were negative. How likely is it to get false positives using digital pregnancy tests?
Do blood test: Not sure why you would do so many pregnancy tests. So now to resolve the confusion, request a blood pregnancy test. ...Read more
Not likely.: This is not a known problem with vyvanse (lisdexamfetamine). But regardless of what meds you or are not taking, it's a good idea to repeat any lab test (particularly tests done at home)that you suspect as inaccurate. Also, if you are trying to get pregnant or not effectively blocking conception, I suggest you stop the vyvanse (lisdexamfetamine), along with almost all other medications that have not been specifically "ok'd" by your ob. ...Read more
Week late, all home pregnancy tests neg. Thoughts? Have a gyn exam in 3 days. Is their test more sensitive? Harmful to get a gyn exam if false neg?
Trust the test: Home pregnancy tests are very accurate. They are the same tests used in a doctors office. They can detect a pregnancy 7-10 days after conception. The best time to take one is when you miss your period. If you doubt the result you can repeat it in 1-2 days. If you were pregnant the hormone level would rise enough for detection. ...Read more
My period is a month and a half late, and I took 3 pregnancy tests but all came back negative. Could they be false negatives or is my cycle messed up?
Need serum test: Even though the pregnancy test kits tend to be reliable, errors do occur. So a serum assay of beta Chorionic Gonadotropin is needed, and maybe an ultrasound exam of the pelvis ...Read more
I missed my periods for 2 months. Took 7 one step pregnancy tests all negative. Can these be false? What tests can be done to confirm? Is this serious
What causes some women to produce such excessive amounts of hCG that it causes all urine/blood pregnancy tests to be false negatives? (hook effect)
There are biological variations in hormone levels as well as other characteristics, e.g. Height, among individuals. The normal levels of all hormones have a wide range and this range is even more marked with hcg. See this site for more info though it does not address your question directly.
http://americanpregnancy. Org/duringpregnancy/hcglevels. Html. ...Read more
I have positive urine pregnancy tests negative blood I've taken mefenamic acid can that cause false positives?
Blood test more:
Accurate. Please go with the results of the blood test and if you have any symptoms, consult your doctor. See this site for more info.
http://www. Webmd. Com/baby/guide/pregnancy-am-i-pregnant. ...Read more
Can spinal cord injury have any effect on hormones to give false positive pregnancy tests or negatives when u really are pregnant?
Never heard of such:
Interesting thought but I've never heard any description of what you're suggesting in the literature. What kind of spinal cord injury are we talking about?
Bottom line is my vote is a hearty, no, spinal cord injury does not effect the outcome of pregnancy tests one way or the other. ...Read more
Am I pregnant? I hadn't had a period for 3 months. I kept taking pregnancy tests and they have all been negative. But I have been having all the symptoms of pregnancy except morning sickness. I was wondering if they were all just false negatives. I finall
You are likely not pregnant since all the tests were negative and you actually started your period. You are likely dealing with irregular periods. There are many causes of irregular periods including hormonal changes, stress/anxiety, weight fluctuations (extreme increase or decrease), thyroid problems, etc. You should consider starting birth control pills to help regulate your cycle. There should be a campus clinic or a local family planning clinic near your college that can discuss this option with you.
Take care. ...Read more
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