What do systematic reviews say?

Intrauterine infusion of autologous platelet‐rich plasma vs no intervention

It is very uncertain whether intrauterine injection of autologous platelet‐rich plasma changes adverse events: ectopic pregnancy compared with no intervention (very low certainty).

• Autologous platelet‐rich plasma for assisted reproduction 2024 · Cochrane Headline outcomes only
  OR 2.94 [0.12, 73.95]
  1 study · 94 participants
  Very low

Intrauterine infusion/injection of autologous platelet‐rich plasma vs placebo or no intervention

It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes adverse events: ectopic pregnancy compared with no intervention or placebo (very low certainty).

• Autologous platelet‐rich plasma for assisted reproduction 2024 · Cochrane Headline outcomes only
  OR 2.94 [0.12, 73.95]
  1 study · 94 participants
  Very low

Antioxidants vs Placebo, no intervention or usual care (with or without placebo)

Antioxidant(s) showed no clear difference in adverse events ‐ Ectopic pregnancy№ of participants: 404(4 RCTs) compared with placebo or no treatment/standard treatment (low certainty).

• Antioxidants for female subfertility 2020 · Cochrane Headline outcomes only
  OR 1.4 [0.27, 7.2]
  Studies not reported
  Low

Intervention not reported

• Antioxidants for female subfertility 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Very low