The "Handbook of Clinical Laboratory Testing During Pregnancy" offers a comprehensive compilation of the latest scientific findings and practical experiences in the field of laboratory testing for pregnant individuals and those experiencing recurrent pregnancy loss. Written by experts in pathology, laboratory medicine, and obstetrics, the book covers a wide range of topics, including the effects of physiological changes on test results, the selection of appropriate tests for diagnosis, adjustments of reference values, and the monitoring of pregnant patients. It also addresses new technologies and the limitations of laboratory tests. The authors explain common testing methods and technologies in an accessible manner for non-technical readers while providing detailed information for laboratory professionals. A comprehensive appendix with published normal reference ranges for each trimester serves as a valuable resource for professionals caring for pregnant women.