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Conception

When's the best time to get pregnant? Use our interactive ovulation calculator to work out when you're most fertile and most likely to conceive.

Is it common for OPK timing and ovulation to vary each month?

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MamaOooh · Yesterday 16:10

So my cycles vary between 24 and 29 days but my luteal phase is usually only 11/12 days. So ovulation between CD12-CD18 although 14-16 is most common. I normally follow a pretty typical pattern of positive opk then I see a temp rise via my smart watch exactly 2 days later.

This month however.... had positive opk on CD15 but my temperature didn't rise until CD19. I've been tracking for a while so this change has thrown me!

Is it common for the time between positive OPK and ovulation to vary month to month? Have I just been lucky so far that it's been very textbook?

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