Lecture 13: Hematologic Disorders in Pregnancy
Diana M. Byrnes, MD, MPH & Michael J.Paidas, MD
Presentation Date:
December 18, 2025
> There are a range of complex hematologic changes in pregnancy.
> The state of pregnancy and the postpartum state are associated with a range of clinical challenges, involving thrombosis, hemostasis, and alterations in cell counts.
Diana M. Byrnes, MD, MPH
Division of Hematology
University of Miami Miller School of Medicine
dmbyrnes@miami.edu
Disclosures for Diana Byrnes. Anthos Therapeutics: research funding, principal investigator
Sanofi: Advisory Board
Learning Objectives: Hematologic Issues in Pregnancy:
Venous Thromboembolism
Thrombocytopenia
Anemia
Thrombotic microangiopathy
Bleeding disorders
Dr. Paidas has reported the following relevant financial relationships or relationships with ineligible companies of any amount during the past 24 months:
Research: BioIncept LLC, Rallybio LLC, Octopharma, FetalEase
Ownership Interest: BioIncept LLC
Receives Royalties: UpToDate
Consulting Fees/Advisory Board/Speaker’s Bureau: Octopharma

Venous Thromboembolism in Pregnancy
Bourjeily G, Paidas MJ, Khalil H, Rosene-Montella K, Rodger M. Lancet. 2010 Feb 6;375(9713):500-12
