A branchial cleft cyst is a birth abnormality that occurs on one or both sides of the neck. This atypical tissue may form fluid-filled sacs or passages that drain fluid on the neck surface. These ...
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9 types of PCOS

Medically reviewed by Laura Young, MD Key Takeaways There are four main types of PCOS, each with different symptoms.Classic PCOS includes high androgens, period problems, and cysts in the ovaries.PCOS ...