A miscarriage can be a common cause of brown to black vaginal bleeding. Not all the women realize that they are pregnant until there is an abnormally heavy bleed particularly consisting of large clots or the color varying from the normal period blood.
Boost Your Metabolism in 15 Minutes 4 Moves to Rev Your Metabolism Kick calorie burning into overdrive with this quick full-body workout Read more: Exercises that Boost Your Metabolism - How to Boost Your Metabolism - Woman's Day.
Not only that, but strength training can help increase your metabolism by speeding up your Resting Metabolic Rate (RMR). This is because it takes your body more calories to maintain muscle than it does to maintain fat. Estimates are that for every 1 lb of muscle you gain, your RMR goes up 30-50 calories!