Inclusion Criteria:  Be 18 years old or older Read and speak English Know the date of their last menstrual period within 2 days Have a period that is late by up to 14 days Have had regular periods in the last 4-6 months Does not want to be pregnant; understand that if they are pregnant, the pills will end their pregnancy Be willing to have an abortion if the missed period pill does not work, and informed of potential for birth defects in any ongoing pregnancy Does not want to verify pregnancy status Does not have risk factors for ectopic pregnancy (history of ectopic pregnancy, recent vaginal bleeding or spotting, pelvic pain on one side, prior permanent contraception, or other tubal surgery) Does not have an IUD Does not currently use a contraceptive implant or injectable Does not have contraindications to misoprostol Agree to participate in the follow up visit/call  Exclusion Criteria:  Participants who have contraindications to misoprostol Unknown date of last menstrual period Risk factors for ectopic pregnancy (history of ectopic pregnancy, recent vaginal bleeding or spotting, pelvic pain on one side, prior permanent contraception, or other tubal surgery) Irregular menses or any other condition that in the opinion of the Principal Investigator would compromise participant safety.