Since you had an induced period last time, your cycle could go a little vary this time. Condom has a failure rate of 15%. If you are not on any other contraception
, it could be an implantation
bleed or a simple breakthrough. You can test with a fresh sample of early morning urine after your missed period or alternatively you can go for the blood test
for confirmation. You can contact your health care provide rfor further support. Take care.