Doctor insights on:
What Does A Positive Ovulation Test Look Like
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
No: The ovulation test looks like a pregnancy test, but they measure different things in the urine. The ovulation test measures the hormonal increase (lh surge) that leads to ovulation. A positive test means that you will likely ovulate in the next 24 hours. The pregnancy test usually measures a specific hormone secreted by the developing pregnancy (beta-hcg), so a positive test indicates pregnancy. ...Read moreSee 1 more doctor answer
Ovulation: Ovulation is an event. It is the release of an egg from the ovary. It causes pain or cramping that many females learn how to recognize. This is known as mittelschmerz. Ovulation kits try to predict ovulation by a surge in hormones or a change in hormones. What is much more accurate is knowing that your fertility is high on the five days leading up to the release of the egg. ...Read more
In 12-36 hours: A urine-based OPK detects the increase, or surge, of a hormone called luteinising hormone (LH) that occurs approximately one to two days before ovulation. This is the trigger for ovulation and it's also a signal that your fertile window has arrived. A small amount of LH is always present in your blood and urine. But in the days before ovulation, the amount increases by about two to five times. The 12 to 36 hours between the beginning of the LH surge and the moment when your egg is released is the most fertile part of your cycle and the most likely time for conception. ...Read more
Variable 12h to 3d: Ovulation test detects a surge of the hormone lh in urine. Lh starts to rise approximately 32-36 hours before ovulation and reaches a peak 24 hours before ovulation then falls sharply. So its detection depends on the accuracy of the test and when did you do it at the beginning, height or end of the surge. ...Read more
Is it normal to have a positive ovulation test only for one day ?or it has to be positive more than that?
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