New to OPK. Is this the big O?

Question

opk. Is this the big O?" /> ​

Answer

​bottom test is the first one I took about 5pm. 
​Middle, I took about 130am.
​Top was the same time
​
​Apparently the middle looks different and is expired. I retested because it resembles a hpt from dollar tree.

New to OPK. Is this the big O?

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