Long cycles- when to take bloodtests? Calling all TTCexperts
Hi,
I have long cycles, and ovulate late. This cycle i am doing blood tests on CD 4-5 and 21-23 (progesteron).
My cycles is 35-40 days, and i O Around CD 24.
Should i wait as long as possible and take the test on CD 23, maybe later- or does it not matter what day i take the test?
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