Cancer and the fetus.
D002675:Child, Preschool; D005260:Female; D005315:Fetal Diseases / Q000209:etiology*; D006801:Humans; D008431:Maternal-Fetal Exchange; D009362:Neoplasm Metastasis; D009369:Neoplasms / Q000473:pathology; D009360:Neoplastic Cells, Circulating; D011247:Pregnancy; D011248:Pregnancy Complications