Patients with Recurrent Pregnancy Loss Have Similar Embryonic Preimplantation Genetic Testing Aneuploidy Rates and In Vitro Fertilization Outcomes to Infertility Patients

Overview

Journal F S Rep

Specialty Reproductive Medicine

Date 2022 Dec 26

PMID 36568927

Authors

Molly Siegel Kornfield

Pamela Parker

Elizabeth Rubin

Bharti Garg

Thomas OLeary

Paula Amato

David Lee

Diana Wu

Sacha Krieg

Affiliations

Soon will be listed here.

Abstract

Objective: To evaluate aneuploidy rates and in vitro fertilization (IVF)/pregnancy outcomes for patients undergoing IVF and preimplantation genetic testing for aneuploidy (PGT-A) with a recurrent pregnancy loss (RPL) diagnosis compared to infertility diagnoses without RPL.

Design: Retrospective cohort study.

Setting: Academic fertility center.

Patients: Of 372 patients undergoing IVF/PGT-A between January 2016-December 2018, 294 patients were included in the analysis: 56 patients with an RPL diagnosis and 238 with infertility diagnoses without RPL.

Interventions: None.

Main Outcome Measures: The primary outcome measured was the embryonic aneuploidy rate. Secondary outcomes included fertilization and blastulation rates, number of blastocysts biopsied, cycles without euploid blastocysts, and rates of pregnancy losses, clinical pregnancies, and live births after a euploid embryo transfer.

Results: The cohort included 56 patients with RPL and 238 patients without RPL, including data from their first IVF cycle within the time period. Aneuploidy rates were similar between the groups, with a mean of 55% (±31%) in RPL and 54% (±34%) in non-RPL cycles. Similar rates persisted after controlling for age, ovarian reserve, and infertility diagnosis. Fertilization and blastulation rates, as well as cumulative clinical pregnancy, pregnancy loss, and live birth rates after the transfer of at least one euploid embryo were also similar between the two groups.

Conclusions: These results suggest that IVF/PGT-A cycles from patients with an RPL diagnosis have similar IVF and pregnancy outcomes to those of patients with infertility without RPL. This research can help guide counseling for RPL patients considering IVF with PGT-A.

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