An online tool helps individuals determine the potential efficacy of post-coital birth control based on factors such as the time elapsed since intercourse and the individual’s menstrual cycle. This tool typically involves inputting information into a digital form, allowing users to receive an estimate of effectiveness personalized to their specific circumstances. For example, a user might enter the date of their last period and the date and time of unprotected intercourse to receive an assessment.
Providing readily accessible information empowers informed decision-making regarding reproductive health. These tools offer a convenient and discreet way to evaluate options in stressful situations, potentially reducing unintended pregnancies. While these tools represent a recent development facilitated by widespread internet access, the underlying calculations are based on established medical research on the effectiveness of various post-coital contraceptive methods. Their digital format represents a significant advancement in disseminating this critical information to the wider public.