Subtle Temperature Sensor Heightens Fertility Awareness

A new self-inserted core temperature sensor helps women detect when a fertility “window of opportunity” opens.

The Bloom Ring is a core body temperature fertility sensor that is inserted by the user into the cervix, from where it measures and transmits core body temperature data continuously and passively to a smartphone app. Tracking the woman’s core body temperature—also known as body basal temperature (BBT)—helps to estimate the day of ovulation, since the ovulation causes an increase of one-quarter to one-half degree Celsius in BBT; this tendency is known as a biphasic pattern.

The Bloom ring itself is a smooth, white, flexible ring-shaped device which is inserted by hand once a month. And since indicates fertility days, it can also be used as a form of natural contraception by indicating when fertility is lowest. According to the developers, Prima-Temp (Boulder, CO, USA), the technology can also be adapted to potentially address a multitude of other applications in human physiology, including athletics, sleep disorders, drug therapy, and weight control.

“Our personal sensor combines rigorous science with cutting-edge technology to quantify the body’s most important physiologic parameter,” said Lauren Costantini, PhD, CEO of Prima-Temp, commenting on the forthcoming unveiling of the Bloom Ring at the 2015 International Consumer Electronics Show (CES), to be held during January in Las Vegas (NV, USA). “It’s also for women who are younger and don’t have any fertility problems, but their life is very scheduled. They want to have control over their fertility.”

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