title: The effects of paracervical block on myometrial activity and fetal hemodynamics during first stage of labor.
mesh_terms: D000136:Acid-Base Equilibrium; D000773:Anesthesia, Obstetrical; D001775:Blood Circulation; D005260:Female; D005333:Fetus / Q000502:physiology*; D006439:Hemodynamics; D006801:Humans; D007747:Labor Stage, First; D007743:Labor, Obstetric; D008431:Maternal-Fetal Exchange; D009407:Nerve Block; D011247:Pregnancy; D014590:Uterine Contraction