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February 2012
On The Cover: Fetus in utero, week 15. Testing for fetal health is not new to clinical laboratories. First trimester risk assessment, quad tests, and other biochemical screens are offered to pregnant women. However, fetal laboratory medicine offers many untapped opportunities for diagnostic testing. A comprehensive review article in this issue of Clinical Chemistry assesses the current scope and contributions of fetal laboratory testing. In addition, this issue also contains an article describing an improvement in quantifying male fetal DNA in maternal plasma via a Y-chromosome repetitive sequence assay. (See pages 337 and 465.) ©Science Picture Co/Science Faction/Corbis. Reproduced with permission.