Thanks for the query.
There is no requirement of taking another plan-b pill if the second intercourse is within72 hrs of the pollinate, the first pill is adequate to cover for the second encounter.
I hope I have answered your query.
Wishing you safe sexual practices.
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.