Thermometer on Shabbat

Question

Can a woman use a basal body temperature thermometer on shabbat? Its digital, only press one button and dont need to use the phone until after shabbat. Its birth control and not 100% accurate unless it used every single day

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Answers

  1. The Just Ask! - AskTheRabbi.org Team

    It is prohibited to use a thermometer on Shabbat unless there is a danger to someone’s life. As that is not the case here, it would be forbidden to use thermometer on Shabbat. The only option is for the person to take their temperature immediately after Shabbat.

    Best wishes from the AskTheRabbi.org Team