O'Brien JE — Endo Lab

observational 2025

Adding short-duration gonadotropin-releasing hormone antagonist and gonadotropin to natural cycle frozen embryo transfer allowed scheduling of transfer day without compromising live birth.

Fertility and sterility ·doi:10.1016/j.fertnstert.2025.01.022

ObjectiveTo determine whether there is an association between the type of natural cycle frozen embryo transfer (FET) (scheduled vs. traditional) and live birth outcomes.DesignRetrospective cohort of all natural cycle FETs across a single ne…

observational 2023

Examining reasons that patients discard cryopreserved oocytes

Journal of assisted reproduction and genetics ·doi:10.1007/s10815-023-02962-1

PURPOSE: Assess the rate, rationale, and characteristics of patients who cryopreserved and subsequently discarded their oocytes, and compare their characteristics to patients with continued cryopreservation of oocytes. METHODS: All patient…

observational 2022

Live birth after transfer of a single euploid vitrified-warmed blastocyst according to standard timing vs. timing as recommended by endometrial receptivity analysis

Fertility and sterility ·doi:10.1016/j.fertnstert.2022.05.013

OBJECTIVE: To determine whether endometrial receptivity analysis (ERA) improves live births in patients with and without a history of unsuccessful frozen embryo transfers (FETs). DESIGN: Retrospective cohort study. SETTING: Large reproduc…