date:Nov 12, 2018
participants were also interviewed on the telephone and asked about whether they had ever taken any prescription or over-the-counter medication, including hormonal contraception, to treat or prevent menstrual cramps, pelvic pain or discomfort, the age at which the medication was first used, and whether they were still using it. They were asked about the use of birth control pills, hormonal implants, patches, rings or shots, and intrauterine devices, the age they started using them, and the reas