Home Pregnancy Test Sensitivities

Pregnancy TEST Sensitivities

Image: www.americanpregnancy.org Graphics: Pee-On-A-Stick-Freak


At the end of every cycle, (one of two things can happen) either the dreaded AF (Aunt Flo) rears her ugly head or you find you’ve missed your Period!

Some of us Chart our cycles every month by taking our BBT (Basal Body Temperature) using a special kind of Thermometer called a, “Basal Body Thermometer.” They are a bit more sensitive, and can record even the slightest body fluctuations. The next thing would be our CM (Cervical Mucus) which goes through different phases throughout the course of our cycle, as well as our CP (Cervical Position).

During the first Part of our cycle, Estrogen is responsible for gearing our bodies up for Ovulation. Once that happens you’ll notice your CM and CP getting less fertile and Progesterone (which is a heat inducing Hormone) keeps our Temperatures higher and elevated until AF shows up. Progesterone is responsible for the second half of our cycle known as the (Luteal Phase). If your Temperatures remain elevated past your ETD (Estimated Testing Day) or the day you’re expecting your Period – chances are you may be Pregnant! Estrogen is responsible for the first Part of our cycle, (Follicular Phase) so it just makes sense that our Temperature will drop within a day or two of AF.

There are all kinds of different Test Sensitivities, and you’ll find it rather easy deciding which one is right for you depending on how far along you may be in your possible Pregnancy. Usually the first day of your missed Period you can expect a reliable result, although some opt to start testing as Early as 8dpo (Days Past Ovulation). A good rule of thumb is if you KNOW you’re testing Early, you may want to rely on a HIGHLY SENSITIVE TEST that’s at least 25 mlU/ml and if you’re far enough along than usually a 40 or 50 mIU/ml should be sufficient.

Here is a List I’ve put together by Name Brand and Sensitivity!

Tests UNDER 25 mIU/ml:

– First Response Digital Gold 18mIU/ml
– First Response Early Result (Quantative Test that will pick up ANY amount of HCG per the manufacturer)

20 mIU/ml Tests:
– AimStep
– Aim Midstream 
– AimStick OTC PBO
– AimStick OTC/Accu Dip
At Home Pregnancy Test
– D Best One Step
Early Pregnancy Test
Save On Tests
– Simplicity
Tests For Less

25 mIU/ml Tests:
– AccuHome
– Answer
– Answer Quick & Simple
– Clearblue Easy (Digital) 35-50 mIU/ml
– Clearblue Easy Earliest Result
– Confirm 1-Step
– CVS Brand (Midstream)
– E.P.T. ( + or – ) Result Window
– Equate ( l l ) 2 line Result Window
– Equate ( + or – ) Result Window
– Fact Plus (Cassette)
– Fact Plus 1-Step (Cassette)

– First Signal One-Step Pregnancy Test (cassette)
– Health Check
– Health Mark
– Insta Test
– Iverness ( + or – ) Result Window
– Life Sign One Step (Midstream)
– New Choice (Dollar Tree Brand – Cassette)
– Smart Strip HCG (Fertilinet)
– Walgreens Brand (Digital)
– Puralin One Step Pregnancy Test
– One Step Be Sure Pregnancy Test

40 mIU/ml Tests:
– E.P.T ( l l ) 2 Line Result Window
– E.P.T ( + or – ) Result Window
– E.P.T Certainty

50 mIU/ml Tests:
– Clearblue Easy
– CVS Brand (Cassette)
– Early Pregnancy Test
– Iverness II
– Dollar Store Tests
– Target Brand
– Rite Aide Brand
– Drug Emporium Brand

100 mIU/ml Tests:
– Fact Plus Pro (Cassette)
– Walgreens Brand (Midstream)

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Cervical Mucus


Image: www.searcpp.com Graphics: Pee-On-A-Stick-Freak


The art of TTC (Trying to Conceive), TTA (Trying to Abstain) or even simply Trying To Track Your Cycle – (for other purposes) can be tricky, and have a lot to do with how you Chart your cycles each month. There is so much more to it nowadays than simply counting up 4 weeks from the first day of your Menstrual Period – (which is what I used to do before the Internet came out!) Ha Ha

Aside from The Charting Basics, one of the main things you’ll need to learn about is your CM (Cervical Mucus) and CP (Cervical Position). Whether you’re TTC or TTA from Pregnancy, you’ll need to know about this thing called Cervical Fluid! Much like CP, CM changes color, consistency, and texture throughout each part of our cycle. Those changes essentially can give us many clues and insight into where we are, and when we can expect our Fertile Window!

The first part of our cycle is known as, “The Follicular Phase,” which is the first day of our Menstrual Flo until Ovulation occurs. A Hormone called Estrogen is responsible for the things that change, and take place just up until that point. Estrogen more or less gears our bodies up in preparation for Conception. Your Cervical Fluid plays a very important role in achieving that! Here’s an illustration to depict the different stages your CM goes through, throughout this wonderful (or not so wonderful) thing we call a cycle!


Image: www.babycenter.com Graphics: Pee-On-A-Stick-Freak


As you can see, there are many different colors, consistencies, and textures. If you’re only tracking your Period, then you may miss out on a potential opportunity to successfully Conceive! (Same thing if you’re actively trying to PREVENT Pregnancy) fertile CM plays a huge role in that!

AFTER MENSTRUATION: Your CM may be a bit dry, or Scant. Immediately following, you may notice a slight moisture, but that in itself is considered to be infertile if there’s not a higher volume of it!

NEARING OVULATION: You may notice that you have a wet spot on your panties, wetter consistency, milky, clearer CM. Estrogen is responsible for making your Fluid thinner and more fertile.

TIME OF OVULATION: Cervical Fluid tends to be thinner, slippery, and can stretch 1-2 CM! It may also have the consistency of raw Egg whites! It can also be tinged with Pink or Blood. This would be considered your most highly fertile CM! Sperm can live up to 5 days in this type of Cervical Fluid. This type is very alkaline.

Post Ovulation: It can be a bit dry, if nothing at all. Sometimes your cervix may appear to be somewhat moisture BUT any Cervical Fluid once Ovulation has occurred should be considered Infertile.

WHEN EXPECTING MENSES: Your Cervical Fluid can go from dry/moist to a thicker, Creamier, Lotion-Like consistency that is extremely acidic unlike EWCM and will make it difficult for sperm to swim through.

POSSIBLE PREGNANCY: Your CM will generally get thicker, white, or even yellow. It gets extremely thick to form what is known as a Mucus plug.


Photos: www.babycenter.com Graphics: Pee-On-A-Stick-Freak

The absolute, most fertile CM prior to Ovulation is EWCM! You may notice this specifically the few days before, and/or the day of. You may also know it to appear Blood tinged, or brown. Mid-cycle spotting is not uncommon. If you’re not familiar with this, crack open an Egg and look at it, feel it, stretch it. Your own is very much like this!

Image: www.fertilityfriend.com Graphics: Pee-On-A-Stick-Freak

Image: www.fertilityfriend.com Graphics: Pee-On-A-Stick-Freak

You may not always produce this type of CM, so even if you only see Watery CM, take advantage of it! There are always ways to increase and improve your CM. (Another story for another day!) But in the meantime drink plenty of water, take Evening Primrose Oil from the start of Menses until Ovulation, Mucinex and/or Robitussin Guafenesin can help aide in that!

Post Ovulation, you may notice abrupt dryness and your cervix may exhibit slight moisture. That is very common, and if your charting you may see a Temperature rise to confirm it! Progesterone is responsible for the Luteal Phase, which is the day after Ovulation until we either Test positive with a HPT (Home Pregnancy Test) or the dreaded AF (Aunt Flo) rears her ugly head if you’re TTC (Trying To Conceive). As we approach the latter part of our cycle – our CM tends to get a bit thick, Creamy, and Lotion-Like which is very acidic and considered non-fertile. If our Menses is due within a couple days, you may notice another dry spell. (Again, very common!)

So whether you’re actively TTC or actively TTA – Cervical Mucus, Cervical Position and charting your BBT (Basal Body Temperature) can play a major role in your success!

If you’re trying to abstain from Pregnancy, you’ll want to avoid intercourse on the days you notice any type of fertile-quality CM!

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Basal Body Thermometer



Image: www.ivillage.com Graphics: Pee-On-A-Stick-Freak


There are so many benefits you can experience from charting your fertility! One of the main, key ingredients in order to gain insight into your most fertile window is the ability to track your daily BBT (Basal Body Temperature) throughout the duration of your cycle. Your BBT is your lowest body Temperature at rest, following a solid block of at least 3 hours of sleep or more.

Now, before you go reaching for a typical (Fever Thermometer) you may be surprised to know that fertility experts of the like have come up with this amazing invention known as a Basil Body Thermometer! That’s what you’ll typically want to use. It’s a special kind of Thermometer that is very inexpensive, you can find it at most drugstores and it measures at 1/100 of a degree. So for example, with a normal (Fever Thermometer) that only measures at 1/10 degree – your temp would read at 98.6° whereas a BBT will measure your temp detecting slight body fluctuations reading at 98.67°. It’s very ideal just for the fact that you may detect Ovulation with only a slight Temperature increase over the course of several cycles, which may give you better insight inside your future fertile window.

During your FP (Follicular Phase) Estrogen is responsible for lower BBT’s. Once Ovulation occurs, you’ll notice a rise in BBT’s due to Progesterone, which is a heat inducing Hormone responsible for gearing your body up for possible Conception. Many women commonly opt to use OPK’s (Ovulation Predictor Kits) to detect their LH Surge (Luteinizing Hormone) that’s highly concentrated just a day or two prior to Ovulation – but only a rise in temperatures for at least 3 days or more will confirm it!

It’s important when temping, to do so at the same time everyday and in the same manner. Some may opt to do it vaginal rather than orally. Whichever method you prefer consistency is key! Another important factor is making sure you get plenty of rest beforehand. Otherwise you may start to notice erratic temperatures on your chart that can make it difficult when trying to interpret it. It’s not uncommon though to occasionally experience a slightly higher or lower temp when charting. The most important thing is maintaining a pattern with several temps throughout each part of your cycle so you can know when to accurately pinpoint Ovulation, as well as knowing when to expect a reliable result on a HPT (Home Pregnancy Test). If you’re charting for other reasons, pinpointing Ovulation will also aid in knowing when to expect your next Period.

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