1. 
   LH assay
   A blood test which measures the amount of luteinising hormone (LH). LH is a protein hormone that is secreted by the anterior pituitary gland. In women, a surge in LH at midcycle causes ovulation. For the next 7-10 days LH maintains the corpus luteum which synthesises progesterone. The corpus luteum ...
   Found op http://www.mondofacto.com/facts/dictionary?LH+assay
   
   

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