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Amenorrhea in Adolescents and Teens What is amenorrhea? Amenorrhea is a menstrual condition characterized by absent menstrual periods for more than 3 monthly menstrual cycles. Amenorrhea may be classified as primary or secondary: Primary amenorrhea. From the beginning and may be

Genetics and Immune Disorders Your immune system is made up of a large network of cells, tissues, and organs. They work together to fight off infections and other harmful substances. But the immune system doesn't always work the way it should. Some disorders make the immune

Newborn Metabolic Screening Most babies look healthy and perfect when they are born—just ask their parents. But because some potential problems aren't readily seen, all newborns are tested for certain conditions, including metabolic disorders. A metabolic disorder is one that

First Trimester Fatigue Is it common to be so tired in the first trimester of pregnancy? Feeling super tired, don't have the energy to do much of anything, and craving your bed? For many people, the extreme tiredness (fatigue) of the first trimester is quite a surprise. And it’s

Diabetes and High Blood Pressure High blood pressure is two times more likely to strike a person with diabetes mellitus. Left untreated, high blood pressure can cause serious health problems. These include: Heart disease. Kidney disease. Eye problems. Stroke and other nerve

Tips for Traveling Moms-to-Be Today's society is more and more mobile, and the demands of career and family often require travel during pregnancy. Here are some tips and guidance for safe travels while you're pregnant. Be sure to consider many factors when making your travel

Anatomy and Function of the Urinary System How does the urinary system work? The body takes nutrients from food and changes them to energy. After the body has taken the food components that it needs, waste products are left behind in the bowel and in the blood. The kidney and

Nutrition During Pregnancy The importance of good nutrition during pregnancy About 300 extra calories are needed every day to maintain a healthy pregnancy. These calories should come from a balanced diet of protein, fruits, vegetables, and whole grains. Sweets and fats should be