What do systematic reviews say?

Progestogen therapy long cycle (3 to 4 weeks) vs other medical therapy

Progestogen therapy long cycle (3 to 4 weeks) may leads to lower satisfaction compared with other medical therapy (low certainty).

• Cyclical progestogens for heavy menstrual bleeding 2019 · Cochrane Headline outcomes only
  OR 0.31 [0.13, 0.71]
  1 study · 95 participants
  Low