Menstrual cup use, leakage, acceptability, safety, and availability: a systematic review and meta-analysis oleh Anna Maria van Eijk, PhD, Garazi Zulaika, MPH, Madeline Lenchner, MSc, Linda Mason, PhD, Muthusamy Sivakami, ProfPhD, Elizabeth Nyothach, MSc, Holger Unger, PhD, Kayla Laserson, ScD, Penelope A Phillips-Howard, ProfPhD