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Covers symptoms of PMS such as bloating, muscle aches, and mood swings. Discusses possible causes and what increases your risk

The diaphragm is used to prevent pregnancy. A diaphragm is called a barrier method because it keeps the sperm and eggs apart. It

What is trichomoniasis (trich)? Trichomoniasis is an infection caused by a parasite. It's spread by sexual contact ( sexually

Discusses rare flesh-eating bacterial infection. Includes info on Fournier gangrene. Covers symptoms and how it is diagnosed

The lungs' airways (bronchial tubes) divide into smaller and smaller branches (bronchioles). The airways end in air sacs (alveoli)

The retinal pigment epithelium (RPE) is a layer of support cells that lines the back of the eye. It is normally attached to the

The esophagus is the tube that connects the throat to the stomach. When you eat or drink, food and liquids travel from your mouth

The female reproductive system produces hormones and makes it possible to get pregnant and give birth. It consists of two ovaries

In GERD, the valve at the top of the stomach (where the stomach and the esophagus connect) does not close tightly enough. This

An abdominal ultrasound takes pictures of the organs and other structures in your upper belly. It uses sound waves to show images