https://pixabay.com/photos/lab-medical-diagnostics-blood-313864/

QUESTION

New York

Are ovulation tests permitted on Shabbat? (You pee on them and lines appear, like a pregnancy test). What about for someone just tracking her ovulation but not planning to conceive this cycle? (preparing for IUI/etc) Color appears almost immediately but you wait around 5 mins for the final results.

ANSWER

If this is to serve the goal of conceiving then it is definitely ok. This is a large צורך מצוה. *Definitely mutar.* Although it possibly does not have a grama dimension, it is still, in my opinion, תרי דרבנן (disposable;