Jennifer K Y Ko

No ORCID on file · 2 papers in corpus

observational 2025

Association of serum vitamin D level and live birth rate in women undergoing frozen embryo transfer-a retrospective cohort study

Journal of assisted reproduction and genetics ·doi:10.1007/s10815-024-03326-z

PURPOSE: To assess the association of serum vitamin D level and the live birth rate in women undergoing frozen embryo transfer (FET). METHODS: This is a retrospective cohort study involving 1489 infertile women who had frozen embryo transf…

observational 2014

Time to revisit the human chorionic gonadotropin discriminatory level in the management of pregnancy of unknown location

Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine ·doi:10.7863/ultra.33.3.465

OBJECTIVES: The purpose of this study was to review the management and outcomes of all patients with pregnancy of unknown location who had serum human chorionic gonadotropin (hCG) levels greater than 1000 mIU/mL in our institution and to de…