A late period negative pregnancy test situation is never ideal. No woman wants to experience the absence of her period along with a negative pregnancy test – unless she’s not trying to become pregnant but her period isn’t here yet. A late period negative pregnancy test situation is scary. It’s confusing and it’s stressful. If you’re trying to become pregnant and you’re hoping to see that second line or to see the word “Not” finally disappear from your digital home pregnancy test, this situation becomes even more stressful.

How To Avoid A Negative Pregnancy Test

In order to help you avoid a negative pregnancy test it’s important for you to understand how pregnancy tests work. Home pregnancy tests work in a way that’s actually pretty complicated for such a seemingly uncomplicated little device. I mean, how powerful and complicated can something be if it only works when you urinate on it? Actually, it’s quite complicated. Pregnancy tests are designed to detect human chorionic gonadotropin in your urine. This is the pregnancy hormone. You’re probably more familiar with it when it’s referred to as hCG. This hormone becomes present in your urine when you become pregnant and it doubles its levels every two to three days.

Now, it’s important that you understand you don’t become pregnant the moment you ovulate and engage in intercourse. It could take hours for your egg to fertilize. Once it does, you’re still not pregnant. In fact, your egg has a rather long journey to take before you’re considered pregnant. Part of that journey – the longest part – is through your fallopian tubes and into your uterus. Even when your fertilized egg lands in your uterus, you’re still not pregnant. In fact, you must now wait for your egg to implant into the wall of your uterus first. Once that happens, you are officially pregnant and your body will begin to produce the pregnancy hormone.

Now, don’t get too excited. This journey could take a week or more or even a little less. It’s different for every woman. Now that your body is producing the pregnancy hormone, you still may not be able to detect it. You have to wait until the levels are high enough, which takes days to happen; sometimes more. Most home pregnancy tests are sensitive enough to detect the hormone when it reaches levels of 20 to 25 mIU. Being that your levels start anywhere below 5 mIU and anything over 5 mIU is considered pregnant, it could take another few days before a test says that it is positive.

For example, if it takes your egg one week to implant, you’re already technically three weeks pregnant. If your hCG levels started at 1 mIU and your pregnancy test only detects levels higher than 25 mIU and your levels double every two to three days, it could take anywhere from 10-15 days before you level is high enough to detect.

Reasons For A Late Period Negative Pregnancy Test

Your period was supposed to arrive on this day. You spent days before that taking home pregnancy tests that boldly claim they can inform you that you’re pregnant days before other tests. Each time you take a test and it tells you that you’re not pregnant; you become a little more depressed about the situation. You remind yourself that it’s still early. You keep telling yourself that tomorrow will be the day. You know that these tests aren’t always accurate.

If you have a slow doubling hCG level as described in the above mentioned example, you’d be closer to five weeks pregnant when your level of hCG was high enough to detect. If you expected your period at four weeks and it doesn’t arrive, it doesn’t mean you’re not pregnant. In fact, it could just mean that you have to wait another week or so to actually detect your pregnancy.





You could have ovulated later than you thought, you could have miscalculated the arrival date of your period, or you simply don’t have high enough hCG levels. While most pregnancy tests say that they are 99 percent accurate as of the day of your missed period, your doctor will advise you to only take the results seriously one week after your missed period. If you still have a negative pregnancy test result one week after your period is due, it’s time to call the doctor.

Additionally, you could be using tests that are expired. Check the date to ensure that your pregnancy test is still valid. You also need to check to see that you used the test correctly in the first place. All tests are different, which means you must read all instructions. If you fail to read the instructions on one test assuming it works just like another test, you might use it incorrectly and receive a negative test result even though you are pregnant.

Another reason might be an ectopic pregnancy. This is one in which your egg does not make it to your uterus, rather it stops in your fallopian tubes and continues to grow there until the tubes burst. This is not a viable pregnancy.

Another very common reason for a late period negative pregnancy test is that you are using diluted urine. It’s always best to use your first urine of the day to detect pregnancy. Otherwise, already low levels become diluted and difficult to read.

If you think you are pregnant and your period is late and your test is still negative, call your doctor. Your doctor can perform a blood test that will tell you if you are pregnant. These tests are foolproof. You will not get a false result on this test. If your blood test is negative and your period still hasn’t arrived, your doctor will discuss other issues with you. It could be that your body is under too much stress, you’re reacting strangely to a new medication, or something else entirely.

Either way, it’s always safe to call the doctor and let him or her do the job that needs doing. Medical help can save you from potentially serious complications if you have a late period, a negative pregnancy test result, and suspicion that something is going on with your body.


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