Vapor Fahr. Reproduced with permission of American Society of Mechanical Engineers. The ASME Steam Tables, 1967 edition, is no longer in print. new industrial formulation of the properties of water and steam was created by the International Association for Properties of Water and Steam.
A common misconception with ovulation tests is that they tell you specifically when you are ovulating, which sadly isnât true. Ovulation predictor kits actually work by testing for the luteinizing hormone (LH) which is the indicator of your body preparing to release a matured egg.
3. Ovulation kit OTC ovulation predictor kits measure your levels of luteinizing hormone (LH), which can be detected in your urine. These kits work because ovulation typically hits about 10 to 12 hours after LH peaksâon day 14 to 15 of the menstrual cycle if your cycle is 28 days long. Your LH concentration should stay elevated for 14 to 27 hours to allow for full maturation of the egg. How it works: Pee on the stick and wait for a line to appear.