When leukemia complicates pregnancy.
D000293:Adolescent; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000188:drug therapy / Q000451:nursing*; D011247:Pregnancy; D011252:Pregnancy Complications, Neoplastic / Q000188:drug therapy / Q000451:nursing*