I had sex for the first time and ihad just gotten my period that same but we went for it?

iknow it miqht sound nasty but 1st day their isnt a whole lot of blood . but anyways we used a condom but im not on birth control (never tried it ) so im concerned when will iget my period this month or untill nextt ???? oh by the way im still bleeding since yesterday wen i had sex so is that because my hymen broke or my period ??? please help asap. ( im 16 by the way)