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I'd say take the test about 30 days after you last period. If it is negative, wait a week and take another one if you haven't gotten your period. If it is still negative, wait another week and take a third if you don't start. If you still have not started or gotten a positive result go see a doctor. It's hard to say since your periods are so irregular, but taking a test about a month after your last period should be enough time to get a positive result if you are pregnant.

Answeri am in the same situation, last month it was 43 days but a few months earlier it was 29 days!! its soo annoying. at the moment its been 39 days and i am worried i am pregnant, i have done 4 tests all over the past 9 days-all negative. i am sacred i have taken them to early! i read the home preg test leflet and it says for irregular periods take the longest cycle you have had and test from then. for me that is 3 days away, wish me luk.

ope i have helped in sum way

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โˆ™ 2011-09-14 09:46:43
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Q: When should you take a pregnancy test if your periods are VERY irregular?
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