A member asked:

Hello doc, i ovulated on cd17.my cycle is exactly 29 days.i had 1 opk test left out so i took a test tday cd23 and showed positive.how s t possible?

A doctor has provided 1 answer

Possibilities: Since your body can't ovulate twice in a cycle like that, i'd say the options are: 1) you may be pregnant, remember that the HCG hormone is almost identical to the lh hormone that the OPK detects, so preg. Can cause false + on OPK 2) test may be inaccurate (there are variable quality opk's on the market).

Answered 2/13/2015

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Thank

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