Doctor insights on:
Can You Ovulate Before Lh Surge
What is the probability that after getting a positive home ovulation test/lh surge that someone not ovulate?
Good question: There is some variability in9 the accuracy of the available otc ovulation prediction kits. If it's working, then the ovulation should occur for the overwhelming majority (>95%) of patients who experience the lh surge. You can have your doctor order a day 21 Progesterone level, and that will confirm ovulation (or prove it didn't occur), to help you be sure. ...Read more
When your LH surge drops is that because you have now ovulated or does it drop again after your surge before ovulation occurs?
Yes: No one who knows exactly how long lh surge last. It definitely lasts at least 36 hours. In most women. .We know from in vitro fertilization ovulation occurs somewhere between 36 to 48 hours after the lh surge. It is best to have relations with your partner the day of your lh surge and the next day. We know that it is best if sperm are there before ovulation. ...Read more
Does an OPK shows a positive LH surge even during ovulation? If not, how much time before ovulation LH drops.
Does the LH surge (monitored on opk) drop before, during or after you ovulate? My OPK tested positive yesterday but negative today- have i ovulated?
My lh surge was from 10pm cd18 to 11am cd 19. Did i ovulated on cd 19 or cd 20, my bbt chart says cd 20 and i got a temp rise cd 21?
Help.Charting my temp for first time. Positive LH surge and dip in temp and then went up by 0.3degrees then next day went down by 0.2 have i ovulated?
May I suggest: If you are getting clear results with the opk that you stop doing the bbt? Bbt are famously difficult to interpret and not terribly precise anyway. As long as you do get a surge on opk, that always trumps bbt. ...Read more
Unknown, but low: The complete answer: it is uncommon to not ovulate after detecting a TRUE LH surge. This was called a luteininzed unruptured follicle (LUF) and we are not certain how often it happens, most estimates are around 10%. Here's the trick though: many women get false LH readings on OPK, so obviously you would NOT expect ovulation to follow these. Good wishes. ...Read more
Go with OPK, but...: If I have to guess i'd go with the opk, but they are not as reliable as manufacturer would like you to believe - still a better guess than the bbt. The more regular your cycles, the more i trust the opk, the less regular...You get the idea. Specialists monitor patients in teh offcie with ultrasound to sort out this kind of dilemma. ...Read more
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