| | Conditions Treatments | PMS The letters AM and PM refer to the time at which? AM and PM are used to denote the time of day. AM stands for "ante meridiem", which means "before noon", while PM stands for "post meridiem", which means "after noon". PMS - Related Articles How to Quit Smoking Cold Turkey Menopause Cravings Low Levels of Protein in the Blood 10 Tips to Help Maintain a Diet on Vacation Signs & Symptoms of Mild Alzheimer's Medicaid Eligibility Limits in Illinois What Is the Purpose of Female Pubic Hair?
