Paracervical block for first-stage pain in primigravidas.
D000328:Adult; D002584:Cervix Uteri; D004420:Dystocia; D005260:Female; D006801:Humans; D008012:Lidocaine / Q000627:therapeutic use*; D007744:Obstetric Labor Complications / Q000188:drug therapy*; D011247:Pregnancy; D011248:Pregnancy Complications; D014593:Uterine Inertia
D008012:Lidocaine