Risk Factors for Different Types of Pregnancy Losses: Analysis of 15,210 Pregnancies After Embryo Transfer.

ABSTRACT:

Objective

To evaluate the risk factors for different types of pregnancy losses after embryo transfer (ET).

Design

Retrospective cohort study.

Setting

Reproductive medicine center.

Participants

A total of 15,210 pregnancies after fresh and frozen-thawed embryo transfer between January 2014 and June 2019.

Main outcome measures

The primary outcome was pregnancy loss (PL) throughout the entire pregnancy. Secondary outcomes were non-visualized PL, early miscarriage, late miscarriage, and stillbirth.

Methods

The effect of patients' baseline characteristics and IVF/ICSI cycle-specific factors on the risk of PL after fresh and frozen-thawed ET was determined by multivariate logistic regression analysis.

Results

Compared to women under 35 years old,

SUBMITTER: Yang AM 

PROVIDER: S-EPMC8267909 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature