title: First-trimester maternal serum screening and the risk for fetal distress during labor.
authors.forename: William N
authors.initials: WN
authors.lastname: Spellacy
mesh_terms: D005260:Female; D005316:Fetal Distress / Q000097:blood*; D006801:Humans; D007744:Obstetric Labor Complications / Q000097:blood*; D011247:Pregnancy; D011256:Pregnancy Outcome; D011261:Pregnancy Trimester, First / Q000097:blood; D011266:Pregnancy-Associated Plasma Protein-A / Q000378:metabolism; D047928:Premature Birth / Q000097:blood
chemical_list: D011266:Pregnancy-Associated Plasma Protein-A