UPDATE
I did another test.. and the line was lighter??

Whats up with that?? can ne one tell me? DID I miss it? What should I do now? We did BD this morning.. and like an hour after is when I got dark line on the OPK.. so.. do you think I'm good.. or what?? should i try another test like later on tonight..?
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ay when i did a test it was white.. the control line only.. well actually the test line was barely there.. it was very light.. and today.. i just had a feeling and did a test w/ 2nd pee not FMU and i swear the test and control line are the same darkness.. i was thinking on waiting(hold my pee for another 3-4 hours) and do another test to see if the test line gets ne darker.. but what do you girls think.. is this a pos?