2/21/2024 0 Comments Pregnant with negative testBut if you keep getting a negative result, reach out to your doctor. If you missed your period and are having early pregnancy symptoms, your first step is to test again a few days later. What to do if you think you're pregnant but test negative Molar pregnancies can have serious complications and require treatment, so reach out to your provider right away if you're experiencing symptoms like bleeding, severe nausea or vomiting, or pelvic pain or pressure. Less often, a false negative could be caused by a molar pregnancy, a rare pregnancy complication and type of gestational trophoblastic disease (GTD) that causes a noncancerous tumor to grow in the uterus.Īs with multiple pregnancies, a molar pregnancy can generate elevated hCG levels that cause the hook effect on home pregnancy tests. ![]() ![]() For the most accurate results, take a test first thing in the morning: When you wake up, hCG levels in your urine are more concentrated. If you think you could be pregnant but only just missed your period (or haven't yet missed it), try testing again in a few days.ĭiluted urine could also lead to a false negative early in pregnancy. Most commonly, false negatives happen simply because it's too early in pregnancy and your hCG levels haven't yet reached that 20 mUI/mL threshold. Expired tests can give a false negative, so check the expiration date if it's an older test that's been in your medicine cabinet for awhile, says Dr. But there's still a chance you could get a false negative.įirst, always make sure you're following the manufacturer's instructions when taking a home pregnancy test, including waiting the full amount of time before peeking for that "+" or "-" sign. Home pregnancy tests are highly reliable – many claim to be 99 percent accurate if taken correctly. Other reasons for a false negative pregnancy test The authors theorized that the hook effect was the likely reason for her false negative. Subsequent ultrasounds revealed multiple gestational sacs, and she ended up giving birth to triplets. In 2022, a case study published in the journal Cureus Opens a new window described a woman with early pregnancy symptoms who received a negative result on a urine pregnancy test after going to the ER for severe nausea and vomiting. "It's rare, and I've never seen it," says Layan Alrahmani, M.D., a board-certified ob-gyn and maternal-fetal medicine specialist and a member of the Bab圜enter Medical Advisory Board. ![]() Though this can definitely happen, it isn't super common. This is known as the "hook effect," and it can happen if you're further along in a singleton pregnancy (when hCG levels are significantly higher) in addition to in early pregnancy if you're carrying twins or triplets. But extremely high hCG levels (above 500,000 mIU/mL) may prevent home pregnancy tests from being able to properly interpret the result, and the read ends up negative.
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