Community post
Pregnancy test calculator
Use this calculator to help you decide when to take your first home pregnancy test.
Replies
It's my understanding that there is always LH (the hormone the OPK is testing for) in your system, even if you're not ovulating. Which is why the OPK isn't positive unless the test line matches the control line. The OPK test for a surge of LH which makes the test line darker, then it goes back to being lighter once you have ovulated
12 years ago
Early pregnancy symptoms by day past ovulation
What signs and symptoms are most common on each day past ovulation?
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