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.
Metabolism increases when your body has a higher amount of lean muscle. To increase your lean muscle, exercise and diet are important. Try to eat a minimum of 0.8-1.2 grams of protein per kilogram of body weight. (One kilogram is equal to 2.2 lbs.) For example, a person who weighs 150 lbs weighs 68 kgs.