Louie 2016.

Methods	"We enrolled 384 women in states where marijuana is legal for medicinal or recreational purposes on the day they returned to the clinic for medical abortion follow‐up. After providing informed consent, women completed a short anonymous Internet‐based survey"
Participants	"384 women in states where marijuana is legal for medicinal or recreational purposes on the day they returned to the clinic for medical abortion follow‐up"
Interventions	"We surveyed women who underwent first‐trimester mifepristone–misoprostol medical abortion to investigate their methods of managing pain during the procedure, including marijuana use"
Outcomes	"We used the data to determine the prevalence, patterns and perceived effectiveness of marijuana use for pain control in medical abortion"
Notes