Tracking ovulation is the single most important step if you are trying to conceive. Here is a breakdown of the three most popular calculation methods.
Le plus simple.
Your body temperature at rest rises slightly (about 0.5 - 1 degree Fahrenheit) after you ovulate due to progesterone.
These test strips detect the Luteinizing Hormone (LH) surge in your urine, which happens 24-48 hours before physiological ovulation.
When the test line is as dark as the control line, ovulation is imminent. This is the "Gold Standard" for home tracking.