Doctor insights on:
Medicines That Affect Blood 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
10 days late and had brown blood for a few days in the beginning of the month. Had negative pregnancy tests.
Uncertain: Reasons for missed / late period include: an anovulatory cycle in which no egg is released, marked v or ^ in weight; eating disorder; Over-exercising (endurance athletics), stress, travel, significant illnesses, oral contraceptives & other meds, Illegal drug use, breast feeding, hormone imbalances and medical problems (i.e., PCOS). Pregnancy is #1 reason. ...Read more
Yes: Yes is correct! The blood test will turn positive at least several days earlier. ...Read more
Yes, but. . .: The pregnancy hormone, hcg, rises as the pregnancy grows, and falls if the pregnancy fails. So if you had a miscarriage, the pregnancy hormone level would drop. There is also such a thing as a "chemical pregnancy" which is a miscarriage that happens so early, that there is never any visible gestational sac by ultrasound. Lastly, you could have had a faulty batch of home pregnancy tests (unlikely). ...Read more
What to do if I have six positive pregnancy tests and a negative blood test, could I be pregnant, or not?
Is it possible to be 11 days late. Have negative blood and pregnancy tests at 10 days late and still be pregnant?
The method used when testing is important.
Early on the urine is best, but it must be the first urine of the day. There are things that can confuse the test. Be safe, behave as though you were pregnant and repeat the urine test on first voided urine in a few days if you don't get your period. I assume you are usually regular and not under lots of stress. ...Read more
I took 2 pregnancy tests and 1 blood test they were negative! But I have all the pregnancy symptoms all of them he has came inside of me to.
I have three positive pregnancy tests all different brands and none are expired. I had blood work done but it was negative. What should I do next!
False positives: The serum (blood) pregnancy test is definitive. One of the issues with urine tests is that if you let them dry for too long you will get an evaporation line (false positive). The other issue could be a very early miscarriage. If still not convinced ask for a second serum test be done. ...Read more
I've taken 3 pregnancy tests and all came out negative. I had very less bleeding a week&a half ago.& now when I washed my area, some blood was there??
I'm gonna rephrase my last question. Is it possible to have multiple negative pregnancy tests, including blood tests, throughout the whole pregnancy?
I have took 2 pregnancy tests one no second yes! Went to the hospital wasn't feeling to well and blood work said no. Can it to be to early.
Two weeks late, two negative blood pregnancy tests. Usually get period every 30 days. What happened?
Irregular cycles: Irregular periods are one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If this is a recurring problem you should be evaluated. Infections ; hormonal changes can cause spotting. Your preg test is negative so you are not pregnant. There are many options available to help regulate the menstrual cycle. Schedule a visit. ...Read more
I am showing signs that I am pregnant but all home pregnancy tests and blood test come back negative?
3 positive urine pregnancy tests. Blood test at Dr's this am was negative. I'm still showing positive. What's going on?
I'm almost a week late, and pregnancy tests keep showing negative results? Is it too early? Or could I need a blood test?
Maybe: Pregnancy test are accurate about two weeks after conception. If it has been at least that long since your last unprotected sex, and you still don't get your period or a positive test using your first morning's urine, then you may want to ask your doctor for a blood test. Having said that, there are many reasons for a late period besides pregnancy: changes in weight, stress, travel, illness, etc. ...Read more
I had a stubal litigation six years ago, did a few home pregnancy tests, 3 came out positive, when for blood tests showed negativ?
Aside from my question before I've taken multi home pregnancy tests n they've all come back indecisive/read error. So should I take a blood test?
I took 2 pregnancy tests and they came out positive, I'm about 6 weeks and today I had brown discharge and light pink blood, no pain, should I worry?
NO: Most likely old blood mixed with vaginal and cervical secretions. I suggest calling your OB-GYN asap. ...Read more
Had multiple positive pregnancy tests at home but then had a neg blood test with a level of 1. This was followed by horrible pain and passing a clot.
Health Tap: Thank you for letting us know. Usually patients bring us questions here. ...Read more
At 9 dpo I had a tiny streak of blood and then nothing since. I've taken early pregnancy tests and all negative. I'm 11dpo now. Was it too early to test?
Yes, too early: Conception, as defined by the generation of a fertilized ovum, occurs within day or so of the sex. However, it takes about two weeks for the embryo to make enough HCG to produce a positive pregnancy test. Blood test may be done a day after a missed period. Home pregnancy tests should be done 4-5 days after the missed period. If the result is negative repeat the test in 4-5 days. Use first morning urine and follow instructions for the test carefully. ...Read more
Very accurate: Four weeks after the last intercourse, blood test would be positive if you were pregnant. At that stage you may also request an ultrasound examination, if there is any doubt. ...Read more
1) you are really pregnant and test is right
2) phantom HCG you have antibodies in you that cross react with the test turning it positive
3) you are menopausal and your gonadotropins are so high they cross react with the test particularly if they are inexpensicve or the generic type
4) cancer, some of them make hcg
5) leftover placental tissue from previous pregnancy or sab. ...Read more
What is a reason for you to have 3 positive home pregnancy tests but a. Negative blood pregnancy test?
Here are a few possibilities:
1. You are doing the home test wrong --- letting it sit too long or have expired tests
2. You miscarried between doing a home test and taking the blood test
3. There is a lab error on your blood test.
Try repeating the urine now since you have had a neg blood test. If positive then repeat the blood. Blood is the more accurate test. ...Read more
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