Skip to main content
Fig. 4 | BMC Pregnancy and Childbirth

Fig. 4

From: Accurate interpretation of thyroid dysfunction during pregnancy: should we continue to use published guidelines instead of population-based gestation-specific reference intervals for the thyroid-stimulating hormone (TSH)?

Fig. 4

Comparison between ATA and trimester-specific reference intervals. A First trimester; B Second trimester; C Third trimester. The figure illustrates the gaps between estimated and fixed cut-off values. For all graphs, the solid red lines are the upper and lower reference limits suggested by the ATA 2011. The dotted black lines are the upper and the lower reference limits derived from 1777 healthy pregnant women in our laboratory for each trimester

Back to article page

BMC Pregnancy and Childbirth

ISSN: 1471-2393

Contact us