Jenna Friedenthal is a Fellow in Reproductive Endocrinology and Infertility at Reproductive Medicine Associates of New York. If you are trying to conceive and your period is more than one week late with a negative pregnancy test, you should consider consultation with a fertility doctor so that you can be properly evaluated and treated, if necessary.ĭr. If you suspect you are pregnant, even though the test is negative, the test should be repeated in one week. Remember, hCG rises differently in each woman. Most brands instruct you to wait until the first day of your missed period to test. Your body needs time for the hormone to rise to a high enough level to be detected.
It is possible that although an egg may be fertilized, your body has not started secreting enough hCG to register as positive on a test. Pregnancy tests vary in how soon they can detect hCG in your urine. Taking a Home Pregnancy Test Too SoonĪnother reason for a false negative pregnancy test may simply be that you took the test too early. Certain brands state that they can detect lower thresholds of hCG depending on how soon you are taking the pregnancy test after the missed period, it may be worth trying again with a more sensitive brand, ensuring you are using the first morning urine for your test (hCG concentrations are highest in the first morning urine). Some reasons for this may include: Home Pregnancy Test with a Low SensitivityĪ home pregnancy test will only detect pregnancy when the level of “pregnancy hormone,” also known as human chorionic gonadotropin (hCG), reaches a certain threshold, and it simply may not be sensitive enough to produce a positive result. Second, there are a few reasons why your pregnancy test may read negative when you are, in fact, pregnant. Charting Basal Body Temperature or using Ovulation Prediction Kits (OPKs) can help you get a firm grasp on your menstrual cycle to predict when you are most likely to conceive. Additionally, cycles can sometimes vary in length from month to month. The average menstrual cycle is 28 days, but far too often we forget to note day 1 of our cycle. As the ovarian follicle count is depleted prematurity, falling estrogen levels lead to hot flashes, vaginal dryness, and an absence of menses as the woman prematurely enters menopause. In POI, the symptoms experienced are similar to those of menopause. Some women may have a condition known as primary ovarian insufficiency (POI). There are many causes for ovulatory dysfunction or anovulation. When you are trying to conceive, it is important to determine whether you are successfully ovulating each month, as ovulatory dysfunction or anovulation may play a role in your missed period and can affect your ability to conceive. There are a several possible explanations for a negative pregnancy test with a missed period that may occur in the absence of pregnancy. But what should you think, then, when the pregnancy test is negative? Causes of a Negative Pregnancy Test For couples trying to conceive, the missed period is often the first exciting sign of a positive pregnancy.
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