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Multiple Pregnancy Multiple pregnancy is a pregnancy involving more than one fetus. Click on the links below to learn more about this topic. Overview of Multiple Pregnancy Symptoms and Diagnosis of Multiple Pregnancy Complications of Multiple Pregnancy Care and Management of

Understanding Risks of a Multiple Pregnancy Why is a multiple pregnancy a concern? A multiple pregnancy means being pregnant with more than one baby. It is often a happy event for many couples. But multiple pregnancy has higher risks for complications. The most common problems

Types of Genetic Testing Genetic tests look for changes in a person's genes. They can also look for changes in the amount, function, or structure of key proteins coded by genes. Genetic tests can look at the DNA or RNA that play a role in certain conditions. Abnormal test results

Latex Allergy What is a latex allergy? Natural rubber latex is a milky fluid found in rubber trees. There is a protein in the fluid that can cause allergic reactions in some people. Common products made using this natural rubber latex include gloves, condoms, rubber bands, and

Anatomy of a Joint Joints are the areas where 2 or more bones meet. Most joints are mobile, allowing the bones to move. Joints consist of the following: Cartilage. This is a type of tissue that covers the surface of a bone at a joint. Cartilage helps reduce the friction of

Osteogenesis Imperfecta in Children What is osteogenesis imperfecta in children? Osteogenesis imperfecta (OI) is a rare inherited (genetic) bone disorder that is present at birth. It's also known as brittle bone disease. A child born with OI may have soft bones that break

Common Breast Conditions Click on the links below to learn about common breast conditions. Mastalgia (Breast Pain) Common Benign Lumps Fibrocystic Breast Changes Nipple Problems and Discharge Breast Infections and Inflammations Diagnosing Benign Breast Conditions© 2000-2025 The

About Cancer Clinical Trials What are cancer clinical trials? Cancer clinical trials are research studies with people. They may be done by government agencies, educational organizations, private not-for-profit groups, or commercial businesses. Trials are used to check how safe

Topic Index Anatomy of the Breasts Normal Breast Development Breast Health: Three-Step Plan for Preventive Care Common Breast Conditions Breast Cancer About Breast Cancer in Men Routine care is the best way to keep you and your breasts healthy. Click on the links above to learn

Mammograms and Breast Health What is a mammogram? A mammogram is an X-ray image of your breast. It's used to find and diagnose breast disease. A mammogram may be done if you have breast problems such as a lump, pain, or nipple discharge. A mammogram is also done as a screening