What do systematic reviews say?

Cervical dilatation vs no dilatation

Cervical dilatation showed no clear difference in endometritis compared with no dilatation (low certainty).

• Mechanical dilatation of the cervix during elective caesarean section before the onset of labour for reducing… 2018 · Cochrane Headline outcomes only
  RR 0.94 [0.35, 2.52]
  4 studies · 1536 participants
  Low