Progesterone (P4) blood level: The P4 test steps the level of progesterone with your blood to find out if ovulation has transpired. Ovulation usually occurs in the middle of your menstrual cycle, roughly two weeks before your subsequent interval. Ovulation will involve a follicular cyst swelling and afterwards rupturing to https://growthbookmarks.com/story19245206/top-guidelines-of-irregular-ovulation-meaning