title: Use of obstetric perineal pads in collection of amniotic fluid in patients with rupture of the membranes.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D005069:Evaluation Studies as Topic; D005260:Female; D005322:Premature Rupture of Fetal Membranes / Q000378:metabolism*; D006801:Humans; D009774:Obstetrics / Q000295:instrumentation; D010502:Perineum; D010713:Phosphatidylcholines / Q000032:analysis; D011247:Pregnancy; D013048:Specimen Handling / Q000379:methods*; D013109:Sphingomyelins / Q000032:analysis
chemical_list: D010713:Phosphatidylcholines; D013109:Sphingomyelins