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Pregnancy and myeloproliferative neoplasms : A retrospective monocentric cohort
Mathieu Puyade1, Emilie Cayssials1, Fabrice Pierre2
1CHU de Poitiers, Service Onco-Hématologie et Thérapie Cellulaire, Poitiers, France.
Background:
The most frequent myeloproliferative neoplasms are essential thrombocythemia and chronic myelogenous leukemia, which usually manifests with thrombocytosis. Only essential thrombocythemia is associated with morbidity during pregnancy (recurrent miscarriages, intrauterine fetal death, small for gestational age and preeclampsia). The aim of this paper is to describe outcomes of pregnancy in women with myeloproliferative neoplasms seen at a single academic institution.
Methods:
Data were collected retrospectively from 2002 to 2015. Descriptive analyses were performed.
Results:
Eighteen pregnancies in 13 patients and 17 births were identified. One patient had recurrent miscarriages. There were two intrauterine fetal deaths, three small for gestational age linked to vascular placenta pathology and one preeclampsia. All of these mothers harbored JAK2V617F mutation. Two out of three patients with small for gestational age developed a venous thrombosis in the two years following delivery.
Conclusion:
Thrombocytosis associated with myeloproliferative neoplasms should be considered as a risk factor for maternal and fetal complications.
