My Boyfriend Ripped My Knickers Wedgie My Boyfriend & I Had Foreplay Yesterday, I Found Blood In My Knickers Today, Is This Normal?

My boyfriend & I had foreplay yesterday, I found blood in my knickers today, is this normal? - my boyfriend ripped my knickers wedgie

Yesterday we had the last two games for the 1st Viewed from time to time because "I was sick and was employed by trainees. Today, I noticed blood in my underwear (not) menstrual blood. Is it because we had yesterday's preparations and started something in me or something please help!