[A contraction ring, an unusual variant of uterus function during labor].
D004420:Dystocia / Q000150:complications* / Q000503:physiopathology*; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy; D014591:Uterine Diseases
DYSTOCIA/complications
Kontrakćnä kruh, vzácná varianta porusené cinnosti dĕloznä za porodu.