• constriction ring dystocia

संकुचन:    constriction contraction cramp shrinkage stenosis

संकुचन वलय:    contraction ring संकुचन constriction

वलय:    bracelet ring annulus circlet annulation annulet

कष्ट:    excruciation fatality hurt pangs gripe misery

कष्ट प्रसव:    dystocia

प्रसव:    accouchement parturition childbearing travail