There are, however, traditional tumor markers that seem to be unaffected in pregnancy, including lactate dehydrogenase (LDH), Inhibin-B, anti-Mullerian hormone (AMH), carcino-embryonic antigen (CEA), CA-19-9, and human epididymis protein 4(HE4) [25,26,27]. Here, CEACAM5 is linked to neoplasm.