51�Թ�

And yet, when the trio trades the results of their biomarker tests, the Hollywood-toned and tucked Jaclyn is visibly dismayed — but still so positive, love her! — that “tired” Laurie has similar results to hers, including a low body fat percentage.

“These are often complex patterns, where there may not be one biomarker, but you have to take into consideration the whole pattern,” says Dr Petrovski, whose is a researcher at pharmaceuticals giant AstraZeneca.

In addition, their research points to a biomarker that could potentially be useful in disease monitoring and assessment of treatment response.

"Muscle strength, which reflects the ability of the muscles to produce force maximally, is a powerful biomarker of current and future health," Prof Tomkinson says.

"If we have a biomarker for the susceptibility of preeclampsia, then there are some clinical management practices in the first trimester and early second trimester that could delay a preterm birth," said corresponding author Michael Skinner, a Washington State University biologist.