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MedlinePlus is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). It was built as an online health information resource for patients and their families and friends.

MedlinePlus presents high-quality, easy to understand, relevant health and wellness information that is trusted.

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D

Vitamin D Deficiency - National Library of Medicine

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What is vitamin D deficiency? Vitamin D deficiency means that you are not getting enough vitamin D to stay healthy.Why do I need vitamin D and how do ...

Vitamin D - National Library of Medicine

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Vitamins are substances that your body needs to grow and develop normally. Vitamin D helps your body absorb calcium. Calcium is one of the main building blocks ...

Rickets - National Library of Medicine

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... occurs when they do not get enough vitamin D, which helps growing bones absorb the minerals calcium ...

Hepatitis - National Library of Medicine

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... of several viruses -- hepatitis viruses A, B, C, D, and E. In the United States, A, B, ... or shellfish. Hepatitis B, hepatitis C, and hepatitis D spread through contact with the blood of someone ...

Miscarriage - National Library of Medicine

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... use a procedure called a dilatation and curettage (D&C) or medicines to remove the tissue. Counseling ...

Blood Clots - National Library of Medicine

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... exam A medical history Blood tests, including a D-dimer test Imaging tests, such as Ultrasound X- ...

Calcium - National Library of Medicine

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You have more calcium in your body than any other mineral. Calcium has many important jobs. The body stores more than 99% of its calcium in the bones and ...

Ectopic Pregnancy - National Library of Medicine

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The uterus, or womb, is the place where a baby grows when a woman is pregnant. If you have an ectopic pregnancy, the fertilized egg grows in the wrong place, ...

Medicare - National Library of Medicine

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... through a provider organization, like an HMO. Part D is prescription drug coverage. It helps pay for ...

Osteoporosis - National Library of Medicine

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... eat a diet rich in calcium and vitamin D, exercise, and do not smoke. If needed, medicines ...

Pregnancy and Nutrition - National Library of Medicine

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... need more folic acid, iron, calcium, and vitamin D than you did before pregnancy: Folic acid is ... 1,300 mg of calcium a day Vitamin D helps the calcium to build up the baby's ...

Uterine Cancer - National Library of Medicine

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The uterus, or womb, is the place where a baby grows when a women is pregnant. There are different types of uterine cancer. The most common type starts in ...

Uterine Diseases - National Library of Medicine

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The uterus, or womb, is the place where a baby grows when a woman is pregnant. The first sign of a problem with the uterus may be bleeding between periods ...

Vaginal Bleeding - National Library of Medicine

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Menstruation, or period, is a woman's monthly bleeding.Abnormal vaginal bleeding is different from normal menstrual periods. It could be bleeding that is between periods, ...

Abortion - National Library of Medicine

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An abortion is a procedure to end a pregnancy. It uses medicine or surgery to remove the embryo or fetus and placenta from the uterus. The procedure is ...

Cancer - National Library of Medicine

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Cancer begins in your cells, which are the building blocks of your body. Normally, your body forms new cells as you need them, replacing old cells that die. ...

Deep Vein Thrombosis - National Library of Medicine

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Deep vein thrombosis, or DVT, is a blood clot that forms in a vein deep in the body. Most deep vein clots occur in the lower leg or thigh. If the vein swells, ...

Female Infertility - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

Infertility means not being able to get pregnant after at least one year of trying (or 6 months if the woman is over age 35). If a woman keeps having miscarriages, ...

Multiple Sclerosis - National Library of Medicine

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Multiple sclerosis (MS) is a nervous system disease that affects your brain and spinal cord. It damages the myelin sheath, the material that surrounds and protects ...

Primary Ovarian Insufficiency - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... age when menopause usually begins. Calcium and vitamin D supplements. Because women with POI are at higher ... for osteoporosis, you should take calcium and vitamin D every day. In vitro fertilization (IVF). If you ...