 Leukemia is rarely associated with pregnancy , affecting only about 1 in 10 @,@ 000 pregnant women . How it is handled depends primarily on the type of leukemia . Acute leukemias normally require prompt , aggressive treatment , despite significant risks of pregnancy loss and birth defects , especially if chemotherapy is given during the developmentally sensitive first trimester . 
 Leukemia is rarely associated with pregnancy , affecting only about 1 in 10 @,@ 000 pregnant women . How it is handled <a href='uninflect' title='1'><mark>depends</mark></a> primarily on the type of leukemia . Acute leukemias normally require prompt , aggressive treatment , despite significant risks of pregnancy loss and birth defects , especially if chemotherapy is given during the developmentally sensitive first trimester . 
Leukemia is rarely associated wit pregnancy , affecting only about 1 in 10 @,@ 000 pregnant women . How it is handled depend primarily on the type of leukemia . Acute leukemias normally require prompt , aggressive treatment , despite significant risks of pregnancy loss and birth defects , especially if chemotherapy is given during da developmentally sensitive first trimester .