Portal:Medicine/Did you know/20


 * ... that Raynaud's phenomenon, or vasospasm causing discolouration of the extremities (pictured), can be the presenting symptom in conditions like scleroderma?
 * ... that gestational diabetes occurs in women without previously diagnosed diabetes who exhibit high blood glucose levels during pregnancy?
 * ... that catamenial pneumothorax is a condition of collapsed lung occurring in conjunction with menstrual periods, believed to be caused primarily by endometriosis of the membrane surrounding the lung?

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