Oral Contraceptive Use Link to Childhood Leukemia

September 14, 2018

(Medscape) – A nationwide cohort study in more than 1.1 million Danish children shows that the use of combined estrogen and progestin oral contraceptives in the 6 months before conception or during pregnancy is associated with a small increase in the risk for any type of childhood leukemia, particularly the nonlymphoid types. The increased risk for leukemias was mainly associated with the use of oral combined contraceptive products containing estrogen, and not with progestin-only contraceptives.

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