A preg­nacy wrist­band

The Week Middle East - - News -

A “smart” wrist­band that can tell a wo­man when she is preg­nant is be­ing de­vel­oped in Switzer­land, as an al­ter­na­tive to the tra­di­tional urine-based home preg­nancy test. At the Amer­i­can So­ci­ety for Re­pro­duc­tive Medicine congress in Texas, the team be­hind the de­vice said they had charted a range of minute phys­i­o­log­i­cal changes that oc­cur af­ter con­cep­tion, prob­a­bly as a re­sult of fluc­tu­a­tions in lev­els of oe­stro­gen and pro­ges­terone: they in­clude changes to skin tem­per­a­ture, breath­ing rate and pulse. They are now building an al­go­rithm that learns both the wearer’s nor­mal char­ac­ter­is­tics and de­tects such changes, so that the Ava bracelet – which can already tell women when they are most fer­tile – can also alert them when they are preg­nant, within about seven days of con­cep­tion. The team, at the Uni­ver­sity of Zurich, ex­pects the band to cost around £200.

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