ok lang. safe ka pa rin po. hindi ka po mabubuntis. as long as hindi ka aabot ng 1 week late for your depo-shot po. Walang problema if one-day advance ang depo-shot. (example, pumatak ng saturday ang scheduled depo shot mo, pwede friday ka na magpa-depo shot po).
if late man, only 1-2 days late ang allowed.
hope this helps you po.
if doubt ka pa rin, you may consult your OB-Gyne.
or take a PT after a month
Magbasa pa