(Closed) How long is your LH surge supposed to last?

posted 7 years ago in Babies
Post # 3
739 posts
Busy bee
  • Wedding: September 2010

This exact same thing happened to me this month and I asked the hive and they said you O after your surge, so if we got a smiley or peak then the next day we would O and the egg only lasts about 12-24 hours.  So we DTD the day we got the smiley and the next day….hope this helps and good luck!!

Post # 5
1993 posts
Buzzing bee
  • Wedding: May 2011

@winniewolf:  I’m definitely still trying to figure all this out too, but I think the LH surge is only just before you ovulate…Once you ovulate, the opk’s don’t detect a surge anymore because it’s just prior to…It’s all so confusing;)

Post # 6
1820 posts
Buzzing bee
  • Wedding: August 2010

You are “supposed to” ovulate within 12-36 hours of first detecting your LH surge, then the egg is “good” for 12-24 hours.  The surge is just a detection of the hormones that “tell” your body to release an egg.  LH surge length varies from woman to woman, but most women have a surge of about 24-36 hours. 

I generally get + OPKs all day the day before O (CD O-1), and sometimes the morning of O, but my OPK results are mostly negative (fading out) on CD O and CD O +1.

Post # 7
2538 posts
Sugar bee
  • Wedding: November 2009

This helped me understand.  The LH surge is really quick…

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