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Review
. 2025 Jul 28:S2352-3026(25)00165-6.
doi: 10.1016/S2352-3026(25)00165-6. Online ahead of print.

Prevention and management of infectious diseases in pregnant women with haematological malignancies

Affiliations
Review

Prevention and management of infectious diseases in pregnant women with haematological malignancies

Sébastien Gaultier et al. Lancet Haematol. .

Abstract

The incidence of haematological malignancies during pregnancy ranges from 4·0 to 15·8 cases per 100 000 pregnancies, with Hodgkin lymphoma, acute leukaemia, and aggressive B-cell non-Hodgkin lymphoma being the most frequent subtypes. Although survival rates are similar to those in patients who are not pregnant with similar disease profiles, pregnant women face higher risks of maternal morbidity, along with adverse obstetric and neonatal outcomes. Their management, therefore, requires a carefully balanced approach that minimises obstetric risks and ensures effective oncological control. Physiological adaptations of pregnancy can obscure the clinical presentation of sepsis, modulate the course of infections, and, through altered pharmacokinetics, complicate antimicrobial therapy. Safety data on antimicrobials are scarce and concerns about teratogenicity further constrain therapeutic decisions. As a result, infection management in pregnant women requires tailored approaches to diagnosis, antimicrobial therapy, and fetal monitoring. This Review summarises the physiological changes influencing infection risk and treatment efficacy in pregnant women with haematological malignancies; it outlines key challenges in prevention and management and identifies crucial knowledge gaps to guide practice and research in this complex interplay.

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Conflict of interest statement

Declaration of interests CCharl declares consulting fees from Pfizer, honoraria for presentations from Pfizer and Mundipharma, and research support from Amivas. RB declares consulting fees from Bristol Myers Squibb, honoraria for presentations form Jazz Pharma and Servier, and support for attending meetings from Sandoz. CCharr has received honoraria and travel grants from Merck Sharp and Dohme, ViiV Healthcare, and Gilead Sciences for participation in educational programmes and conferences. All other authors declare no competing interests.

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