Yan Che

No ORCID on file · 3 papers in corpus
observational 2025
Pre-pregnancy intrauterine device use is associated with a reduced risk of subsequent preterm birth: a large population-based cohort study
BMC public health ·doi:10.1186/s12889-025-21766-9

BACKGROUND: The effect of pre-pregnancy intrauterine device (IUD) use on subsequent preterm birth (PTB) remains unclear. We aim to investigate the association between IUD use before pregnancy and subsequent PTB. METHODS: A total of 240,437…

meta-analysis 2025
Research hotspots and trends in unexplained recurrent spontaneous abortion (URSA) from 2014 to 2024: a bibliometric analysis
Frontiers in medicine ·doi:10.3389/fmed.2025.1554875

INTRODUCTION: Recurrent spontaneous abortion (RSA) represents a significant challenge in obstetrics and reproductive medicine. Causative factors in 40%-50% of RSA couples remain unknown, a condition termed unexplained recurrent spontaneous …

meta-analysis 2023
Progestin intrauterine devices versus copper intrauterine devices for emergency contraception
The Cochrane database of systematic reviews ·doi:10.1002/14651858.cd013744.pub2

BACKGROUND: The copper intrauterine device (Cu-IUD) is a highly effective method of contraception that can also be used for emergency contraception (EC). It is the most effective form of EC, and is more effective than other existing oral re…