Yes, this is called shirodkar stitch, given to close mouth of uterus which remains open - due to repeated abortions/ instrumentations. As a rule the mouth is tightly shut, being elastic tissue it opens only at delivery or periodically during periods to let the collected blood out, closes again, once elasticity is lost, mouth of uterus called cervix cannot regain its normal tight self again, stitch is opened just before delivery to let the baby out. During your 2nd pregnancy, same process will be followed to save you from any mishap like miscarriage / infection to growing baby due to open mouth of uterus.
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