OPK stay dark if pregnant?

Question

I just found out that OPK can detect HCG! I started using OPK on CD17 and got a positive for ovulation on CD20 and CD21. 
Currently I am breastfeeding and my period is returning to normal (24 days) but it can be a little unpredictable.
Do you think that a positive so late in my cycle could indicate that I am pregnant? The test line was very dark on CD20, but lighter today on CD22.
If I was pregnant would the test line remain dark? 
What colour is the test line generally around ones period?

Answer

This is not a reliable way to detect pregnancy

Answer

No they don't. Do not use opks for pregnancy. They do not detect pregnancy. Your lh levels fluctuate throughout your cycle and you can get a surge before your period.

Answer

Just use a pregnancy test. A lot of women get an lh surge right before their periods

Answer

Why not just take a pregnancy test? Opk will be positive when pregnant because it can’t differentiate the hcg but it can also be positive right before your period. So only way to really know is to take a pregnancy test

Answer

Though they can be positive while pregnant it shouldn't be used in replace of a HCG test because that isn't always the case. Some get a surge early on some get it later

Answer

Why don't one of you pregnant women try it I'm dead serious

Answer

Yep it does.

OPK stay dark if pregnant?

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