“…Thirty-five studies (3 UPA studies, 1 UPA and LNG study, 10 LNGs studies, 18 Yuzpe studies and 3 LNG and Yuzpe studies) examined AEs among populations of healthy women taking ECPs. Of these, 32 articles examined ECP use among healthy women with sample sizes ranging from 32 to 4129 women and reported no serious AEs [18,21,23–52]. Three studies reported AEs other than common ECP side effects (e.g., nausea, vomiting, changes to bleeding patterns) [14,20,22].…”