figure18

Figure 14-10 Relationship between the severity of vomiting and the mean (with SE) serum concentrations of hCG, free T4, and TSH. The inset in the lower right part of the figure shows the prevalence of suppressed TSH levels, for each trimester of gestation, in a cohort of normal pregnant women. The data were graphically adapted by Carole Spencer (with my thanks to Carole for allowing me to borrow the slide). The figures are based on studies by Goodwin