Sex and the condom broke, she took plan b within an hour and about 1 wk later she got her period. 10 days later she got light period?

Should be ok: As long as she took Plan B within 72 hours after intercourse, it should be fine. The period 1 wk later is from the pills that she took. The later light period is prob. The normal time period. If she has longer period , then see doctor.

Plan B: If she had an actual period she should not be pregnant. Plan B One-Step can reduce your risk of pregnancy by up to 95% if used within 24 hours of sex. If taken within 72 hours it can reduce risk of pregnancy by up to 89%. Emergency contraception symptoms can include spotting or bleeding, changes in menstrual flow or your period may be late or early.