so ihad sex for the first time the 4th of this month after two days istarted spotting light pinnk then my period was suppose to come the 10th but icame the 14th but it lasted 3 days which wass not normal because it usually lastes 5 to 6 days my period but my period wasnt as heavy as it usually wass then the 18th ihad sex again & the 24 again and lately my stomach hurts it feels imflammated and it gets a little bit of hard it hurts and then it goes away it feels weird do you know what might it be ?