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Test Lines Can Vary On Different HPT Brands

You maybe wondering if the pregnancy test brand you are using is giving you a real positive test, or some sort of evap or indented line. Chances are if you see a faint pink line within the appropriate time of the test, usually 1-10 mins, this maybe the start of something. 

Often times if using test strips or you get a test with a faint barely visible line, you may be considering using a more sensitive test brand to see a larger / and or clear test line. Here is what I discovered when I was testing with different brands after I got my positive pregnancy test.


I realize depending on the brand you are using, some will have the test line lighter than the control or darker than the control. I remember testing one day and being a little bothered that my test line at around 5 weeks pregnant wasn't darker than the control yet. 

However, don't freak out if you use a different brand and its lighter or darker test line, it could just be the brand and now sensitive it is and also how many days past ovulation you are.


My Examples:

When I found out I was pregnant for the third time, I was using the new First Response Easy Handle brand. My line was faint as you can see in this photo. But I was far along enough and had enough HCG in my body, that I got positive digital tests with the Clear Blue with Weeks at 11 & 12 days pass ovulation. Normally with a faint line, I would think I would have to wait a few days for it to darken in order to get a positive digital. 

(Later when I had my dating ultrasound this revealed, 
my first positive pregnancy test was at 11 days past ovulation, 
not 13 days as my fertility friend chart said. So this photo below is really 
11 and 12 days past ovulation.)

I am 20 days pass ovulation in the top test taken with the dollar store brand and according to my LMP (last menstrual period)  5 weeks and 1 day pregnant.  In the bottom test, the .88 cents Wal-Mart Cheapie, First Signal brand, I am 24 days pass ovulation and according to my LMP, 5 weeks and 5 days pregnant. If you look closely, the dollar store photo (top) the control line is to the right and is darker than my test line on the left. Now if you look at the bottom photo, the First Signal brand, my test line (all test lines to the left side) is darker than the control on the right side. This could be due to sensitivity of the test and / or how many days pass ovulation I am. So take away point is, if you are using different brands, as long as you get positive on them both that is what matters. Now if you are using the same brand and the line starts to fade from dark and goes to stark white, you should be concern and contact your health care provider about a possible chemical / miscarriage.


20  days pass ovulation (dollar store)
24 days pass ovulation (First Signal Wal-Mart's .88 cents)


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