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What does it mean when an LH surge happens near the end of her cycle?

Hi, My wife's cycle is supposed to start in 4 days, but she decided to use a digital fertility test to check LH surge level and it came back positive as did a second one. She has also been using a the Clearblue Fertility Monitor daily which checks both LH and estrogen levels, but it did not come back as positive.

She took a pregnancy test and got a very slight shadowing of a line, but it is almost nonexistent. You really have to look hard to notice it.

What could this mean? is she ovulating late? Is she pregnant? Is there something up with her hormones?

2 Answers

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  • Mary
    Lv 7
    6 years ago
    Favorite Answer

    It could mean one of several things:

    1. She's pregnant. Tests for LH also detect hCG.

    2. She's ovulating late, and has a luteal phase defect -- she's ovulating, but there isn't enough time between the release of the egg and the time her progesterone drops for the egg to implant.

    3. She didn't ovulate -- could be due to diminished ovarian reserve, poor egg quality, low estrogen or any number of things -- and her body is trying another, late, LH surge to try to get the egg to release.

  • 6 years ago

    Yup, what Gwen said. (Although just a tiny clarification to #1, LH tests may pick up hCG but it's not a given that they will.)

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