Association of follicle-to-oocyte index and clinical pregnancy in IVF treatment: A retrospective study of 4,323 fresh embryo transfer cycles

ABSTRACT:

Objective

The aim of this study is to investigate whether the follicle-to-oocyte index [FOI: (number of retrieved oocytes/antral follicle count) × 100] was associated with clinical pregnancy after fresh cleavage transfer.

Design

The framework used to organize this study is retrospective cohort analysis.

Setting

The study was performed in a single in vitro fertilization center in a public hospital.

Patients

In total, 4,323 fresh embryo transfer cycles from 1 August 2011 to 31 January 2022 were retrospectively analyzed. Data were designated into three groups according to FOI tertile values.

Interventions

There are no interventions in this study.

Main outcome measure

The primary outcome measure is the clinical pregnancy rate (CPR).

Res

SUBMITTER:  

PROVIDER: S-EPMC9574222 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature