Oo mama, normal lang yan especially sa first few months ng Depo-Provera, maraming kaibigan ko na nag-experience ng spotting or irregular bleeding pagstart nila, tapos after 3-6 months nag-settle na lang or tumigil completely. It's a side effect talaga ng hormonal injection, kaya hindi ka mag-alarm, pero if it's really heavy or nag-persist pa rin after several months, better check with your OB para ma-assess kung okay lang or kailangan lang ng adjustment.