Pregnancy Outcomes Associated With Anemia in the First Trimester and Anemia Resolution by Late Pregnancy.

ABSTRACT:

Objective

Evidence related to anemia in early pregnancy, and its resolution or persistence by late pregnancy, is limited. We evaluated pregnancy outcomes associated with anemia in early pregnancy and resolution compared with persistence in late pregnancy.

Methods

We used the Merative™ Marketscan® Commercial Database of nationwide insurance claims (2018-2023) and included pregnant individuals without hereditary anemias. We used hemoglobin and hematocrit to identify anemia in early pregnancy (before 14 weeks of gestation) and late pregnancy (at or after 24 weeks of gestation). Pregnancy outcomes included preeclampsia, placenta previa, placental abruption, severe postpartum hemorrhage, blood products transfusion, cesarean birth, nontransfusion severe maternal morbidity (SMM), s

SUBMITTER: Booman A 

PROVIDER: S-EPMC12880618 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature