When is the best time for a woman to perform a breast self exam?
a. during menstruation
b. after menstruation ends
c. before menstruation
d. when her breasts are not tender or swollen?

The best time to do a monthly self-breast exam is about 3 to 5 days after your period starts. Do it at the same time every month. Your breasts are not as tender or lumpy at this time in your monthly cycle.

Aand b would both be correct

Hepatitus b, hepatitus c, hiv, and tetanus