In this article, Dr. Gleaton shares how pregnancy tests work, what medications could affect pregnancy test results, and when to talk to your doctor. Show
Taking a pregnancy test can be a nerve-wracking experience, and you want to be confident when reading the results. We’ve already covered the most common questions in our guide to peeing on a stick (POAS), but now it’s time to cover what medications could affect your pregnancy test results. How medications affect pregnancy test resultsTo recap, pregnancy tests work by detecting the pregnancy hormone, hCG, in urine. If the pregnancy test detects a certain level of hCG, it will show a positive result. hCG is made when a fertilized egg implants in the uterus, usually around 10 days after conception, and increases every day in early pregnancy. If you’re taking a medication that contains or affects hCG production, it’s possible that you could receive a false pregnancy test result. This means you could receive a positive test without actually being pregnant, or (more rarely) a negative test when you are pregnant. What medications may affect pregnancy test resultsMost medicines, including over-the-counter and prescription, should not affect the results of a home pregnancy test. But medicines that have the pregnancy hormone hCG in them may give a false positive test result. This includes some medicines given for infertility treatments—often called the “trigger shot” and sold under the brand names Novarel, Ovidrel, Pregnyl, and Profasi. What to do if you suspect medication is affecting pregnancy test resultsIf you suspect your medication may be affecting your pregnancy test results, you should consult with your doctor. Your doctor can run a blood test and perform a transvaginal ultrasound to give you a definite answer on whether or not you’re pregnant. If you’re on medications for fertility treatments, it’s important you don’t interfere with your medication routine without supervision from your doctor.
When to call your doctorIf you believe you’ve been getting multiple false positives or false negatives, you should see your doctor. This is especially important if you are participating in fertility treatments or are showing symptoms of pregnancy, but receiving negative test results. Some false pregnancy test results could be a result of a hormone imbalance, including
PCOS, a
chemical or ectopic pregnancy,
evaporation lines, and more. Make sure you’re following your test instructions correctly to avoid any user error. We made sure our early-result pregnancy tests are simple and easy to use with jargon-free instructions to get the clear answer you need. Follow instructions and know when to seek adviceIt’s important to follow directions exactly when taking pregnancy tests, otherwise you could end up with a false positive or false negative result. If you’re following the instructions correctly and you’re still concerned that your results are incorrect, you should consult your doctor. Many fertility medications and occasionally some OTC or prescription drugs could cause a false pregnancy test result, but a blood test and transvaginal ultrasound will help rule this out.
Menu Are you doubting the accuracy of your pregnancy test results? Home pregnancy tests are convenient and can quickly be administered, but there are a few variances that could give you an incorrect result.
What causes inaccurate pregnancy test results?
False positive and negative results (and faint lines) are not common, but they do happen. If you are unsure of your results, getting a laboratory-quality test is recommended. If it has been at least 30 days since the first day of your last period, you should consider a lab-quality pregnancy test from a health clinic. At Blue Ridge Women’s Center, our medical staff provide free pregnancy testing. Our lab-quality urine tests can detect pregnancy as early as 7-14 days after conception. Sources Pregnant?
Our MissionOver 50% of all pregnancies are unplanned, leaving many women feeling alone and uncertain of her future. By providing a safe environment to be heard and supported, Blue Ridge Women’s Center equips women to make an informed decision for her and her family. Our HoursMonday | 9:30 AM – 4:00
PM Connect With Us©2021 Blue Ridge Women’s Center, Blue Ridge Women’s Center does not perform or refer for pregnancy terminations (abortion), but is committed to offering accurate information to empower women to make a fully-informed decision. Our services are not intended to be a substitute for routine or emergency medical care. Individuals who believe they are experiencing a medical emergency should call 9-1-1 and seek care from the nearest emergency room. What medicines cause false positive pregnancy test?Other medications can also cause false-positive pregnancy tests. They include but aren't limited to: anti-anxiety medications, like diazepam (Valium) or alprazolam (Xanax) antipsychotics, such as clozapine or chlorpromazine.. Novarel.. Pregnyl.. Ovidrel.. Profasi.. What medications affect hCG levels?Medications that could affect your test include benzodiazepines, phenothiazine, promethazine and others. Urine contaminated with blood or protein can also trigger a false positive. A laboratory-quality test may be your best option for accurate results.
Can anything else trigger a positive pregnancy test?A test will only show a false positive if you have hCG in your system for another reason such as you were recently pregnant, are taking fertility medications containing hCG, or if you have a medical condition, like some rare ovarian cysts.
Do any medications interfere with pregnancy test?Most medicines, including over-the-counter and prescription, should not affect the results of a home pregnancy test. But medicines that have the pregnancy hormone hCG in them may give a false positive test result.
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Medications that can cause a false positive pregnancy test
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