<prompt> Softening of the vaginal portion of the cervix:Goodells signChadwicks signHegar s signPiskaceks sign  <response>: Ans. a. GoodelPs signThe cervix contains more of fibrous tissue and collagen than the muscle fibers.Cervix contains mainly collagen and only 10 of muscle fibers.In late pregnancy and at term, under the influence of prostaglandin, collagenase dissolves collagen into fluid form and renders the cervix soft and stretchable during labor.Extra MileChadwicks sign: In early pregnancy, increased vascularity within the cervix stroma beneath the epithelium creates an ectocervical blue tint that is called as Chadwick sign.Goodells sign: Cervical edema leads to softening of the cervixHegars sign: Isthmic softening is cervix. 