If you’re approaching your 40s and looking to conceive, your doctor may have suggested a fertility test for women. These simple urine tests measure key hormone levels associated with ovulation and egg production and can give you a glimpse of how fertile or infertile you are at the time. Here, experts share everything you need to know about at-home fertility tests and why they’re worth trying.
What is a fertility test for women?
At-home fertility tests for women offer an easy way to track hormone levels and reproductive health. There are several options available depending on your health goals, though urine or blood tests are most common.
“For women, these tests often assess hormone levels such as FSH (follicle-stimulating hormone) and AMH (anti-Müllerian hormone) to evaluate ovarian reserve,” says Kathleen Lin, MD, MSCE, reproductive endocrinologist at RMA Network. They’ll also typically measure “LH (luteinizing hormone) to track ovulation, and estradiol to gauge ovarian reserve or the number of eggs available to ‘compete’ during a menstrual cycle.”
Other tests, such as “Oova’s kit, also look at progesterone (PdG) and estrogen (E3G), paired with a platform for real-time data tracking,” says Amy Divaraniya, PhD, founder and CEO of Oova Inc.
These tests are often valued for their convenience, affordability and privacy. Still, they also have limitations: “they can’t diagnose structural issues like blocked fallopian tubes or uterine abnormalities, may vary in accuracy depending on sample collection and should never replace comprehensive evaluations from a fertility specialist,” adds Dr. Lin.
Are at-home fertility tests for women worth it?
While home kits aren’t as comprehensive as hormone testing with a specialist, they can still provide important insight into your reproductive health. How so? Divaraniya explains that they can show whether or not you’re still ovulating.
“Menstrual cycles become more sporadic as we age, and ovulation occurs less frequently,” says Divaraniya. “You can better understand your hormonal health by tracking your hormone levels throughout the month and over several months.”
Fertility tests can also help determine the quantity of eggs you have available for reproduction. Unfortunately, “there isn’t a specific test to determine egg quality, although age is a strong predictor,” adds Divaraniya. Egg production also declines when you reach your 40s, so it’s important to understand early on which fertility options will work best.
Dr. Lin’s Advice: “If you’re struggling to conceive, a thorough evaluation can identify specific issues and inform the best course of action, whether it involves lifestyle changes, medical interventions or assisted reproductive technologies.”
How accurate are home fertility tests?
The accuracy of at-home fertility tests depends on which type you’re using, and several factors can influence the results. According to Dr. Lin, the timing of the test is crucial since hormone levels fluctuate throughout your menstrual cycle. Testing at the wrong time can produce misleading results, as can improper sample collection or not following test instructions.
Finally, “the use of hormonal birth control, certain health conditions like polycystic ovary syndrome (PCOS) or thyroid disorders and lifestyle factors including stress and diet can all influence hormone levels and test results,” says Dr. Lin.
How to avoid false positives or negatives when testing at home
With so many fertility test options on the market, the best approach is to choose a high-quality test and follow the instructions carefully. “For urine-based tests like Oova, we recommend testing at the same time each day,” says Divaraniya. She also notes the importance of using a personalized test. “Reproductive disorders like PCOS can affect hormone levels, leading to frequent false positives. But Oova’s algorithm learns each woman’s unique hormone profile and customizes the results to fit her specific situation.”
What to know before using an at-home fertility test
An at-home fertility test is less expensive than seeing a specialist, but Dr. Lin says timing and age are among the most important fertility factors. A woman’s fertility starts to decline in her 30s, with a more pronounced drop after age 35. The quantity and quality of eggs decrease, meaning you’ll want to understand your options sooner rather than later if you’re looking to start or grow your family.
Also, when choosing an at-home hormone monitoring test, Divaraniya says it’s best to select one that offers multi-day testing. This provides a clearer picture of your hormone levels over time rather than just a single snapshot.