Sang Hee Yoon

OBJECTIVE: To investigate the association between the duration of levonorgestrel-releasing intrauterine system (LNG-IUS) use and breast cancer risk in Korean women. METHODS: A retrospective cohort study was conducted using the Korean Natio…

Adenomyosis has been well known to be associated with infertility, spontaneous rupture of the uterus during labor in a primiparous woman, spontaneous preterm labor, preterm premature rupture of membranes (PPROM), and delayed postpartum hemo…