Zhong Zheng

No ORCID on file · 2 papers in corpus

observational 2024

Estradiol Decline Before hCG Administration in COH Has a Negative Effect on IVF Outcomes in Patients Without OC Pretreatment

International journal of women's health ·doi:10.2147/ijwh.s423089

PURPOSE: Together with ultrasound measurement of follicle size, serum estradiol (E2) provides guidance for controlled ovarian hyperstimulation (COH). However, during the COH process, some patients experience decreased serum E2 level, especi…

observational 2018

What should we focus on before preimplantation genetic diagnosis/screening?

Archives of medical science : AMS ·doi:10.5114/aoms.2018.72790

INTRODUCTION: Preimplantation genetic diagnosis/screening (PGD/PGS) can effectively detect chromosomal abnormalities in an embryo but only if an embryo is available. However, not all couples can obtain an embryo that is available for testin…