Progesterone (P4) blood stage: The P4 take a look at steps the level of progesterone as part of your blood to ascertain if ovulation has happened. Ovulation ordinarily happens in the middle of your menstrual cycle, about two months prior to your future time period. By clicking “Take All Cookies”, https://whydoihaveovulationproble13678.theisblog.com/34416655/everything-about-ovulation-disorders-symptoms