How do you know when to test to see if your ovulating if your periods are REALLY irrregular...my last few cycles have been like this...5 days, 25 days, 9, days, 14 days, 23 days!!having been ttc for almost 6 months now, my husband has ordered some sticks for me to wee on but i dont want to waste a load if i cud work out roughly when to give them a go?....any help would be muchh appreciated

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