title: Systemic analgesia during labor.
mesh_terms: D000136:Acid-Base Equilibrium / Q000187:drug effects; D000700:Analgesics / Q000008:administration & dosage / Q000378:metabolism / Q000494:pharmacology*; D000818:Animals; D002652:Child Behavior / Q000187:drug effects; D003975:Diazepam / Q000378:metabolism; D005260:Female; D005283:Fentanyl / Q000378:metabolism; D005318:Fetal Heart / Q000187:drug effects; D005333:Fetus / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007231:Infant, Newborn; D007649:Ketamine / Q000378:metabolism; D007700:Kinetics; D007743:Labor, Obstetric; D008431:Maternal-Fetal Exchange; D008614:Meperidine / Q000378:metabolism; D008954:Models, Biological; D009434:Neural Pathways / Q000502:physiology; D010146:Pain / Q000503:physiopathology; D011247:Pregnancy; D012119:Respiration / Q000187:drug effects; D014590:Uterine Contraction / Q000187:drug effects
chemical_list: D000700:Analgesics; D007649:Ketamine; D008614:Meperidine; D003975:Diazepam; D005283:Fentanyl