What do systematic reviews say?

Dexamethasone vs betamethasone – maternal outcomes

Dexamethasone showed no clear difference in chorioamnionitis compared with betamethasone – maternal outcomes (moderate certainty).

• Different corticosteroids and regimens for accelerating fetal lung maturation for babies at risk of preterm birth 2022 · Cochrane Headline outcomes only
  RR 0.71 [0.48, 1.06]
  1 study · 1346 participants
  Moderate